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| Subject | Date Asked |
| Applications of derivative | 2/8/2012 |
| Q: a) find an equation in slope-intercept form of the tangent line to the parabola y= (x-1)^2 +2 at the ... A: Questioner:Tommy Country:North Carolina, United States Category:Calculus Private:No Subject:calculus ... | |
| Piecewise function. | 2/5/2012 |
| Q: Can you help me with (b) and (c) of the following question? The price of an item is initially $700. ... A: Questioner:Erin Subject: Piecewise function.Can you help me with (b) and (c) of the following ... | |
| Domain and Range | 2/3/2012 |
| Q: Consider the following equation: f(x) = -4√x + 1. (-4 times square root of x, plus 1) 1. What ... A: Questioner:Hiral Country:New Jersey, United States Category:Calculus Private:Yes ... | |
| max/min question | 2/2/2012 |
| Q: A lamp is hung above a circular table of radius r=15in at a variable height h. As h varies, the ... A: Questioner:Alexis Country:Wisconsin, United States Category:Calculus Private:No Subject:max/min ... | |
| Domain | 2/1/2012 |
| Q: What is the domain of the following in interval notation? (square root of 5x-2) / (x^2-4). I think ... A: Questioner:Hiral Country:New Jersey, United States Category:Calculus Private:Yes ... | |
| Pre-Calculus I | 2/1/2012 |
| Q: Mr. Klarreich, I have a question regarding one of your past answers, at ... A: Questioner:Matt Country:Nevada, United States Category:Calculus Private:No Subject:Pre-Calculus IMr. ... | |
| Transformations in Graphs | 2/1/2012 |
| Q: What transformations occur in: 2(-3x)^3 - 7? I think it's a reflection in the y-axis, 7 units ... A: Questioner:Hiral Country:New Jersey, United States Category:Calculus Private:Yes <<<<<<<<<<<<< ... | |
| Limit proofs | 1/30/2012 |
| Q: I would like to seek your advice to solve this problem: Prove, using epsilon-delta definition, ... A: lim[x->a] x^1/3 = a^1/3 Let y = x^1/3, b = a^1/3 Show that given e [epsilon], we can find d ... | |
| Limit proof | 1/25/2012 |
| Q: May I know how to prove, using epsilon-delta definition, that limit of sin(1/x) does not exist as x ... A: Questioner:Alfredo Country:Singapore Hi Sir, May I know how to prove, using epsilon-delta ... | |
| Applications of derivative | 1/20/2012 |
| Q: MyFind the equation of the line tangent to the graph of y = x^3 + x ^2 + 2 at its point of ... A: Questioner:Taalib Country:Virginia, United States Category:Calculus Private:No ... | |
| Maximum-minimum problem | 1/15/2012 |
| Q: Suppose you work on a ranch. The rancher tells you to build a circular fence around a 100 yard ... A: Questioner:Mary Country:Massachusetts, United States Category:Calculus Private:No Subject:calculus ... | |
| trigonometric functions | 12/22/2011 |
| Q: differentiate y=5x^2 tan^3(3x^2-1) A: Questioner:humaira Country:Ontario, Canada Category:Calculus Private:No Subject:calculus: ... | |
| derivatives for trigonometry | 12/21/2011 |
| Q: show that the curves y=e^-x and y=(e^-x)cosx are tangent to each other at each intersection point. ... A: Questioner:humaira Country:Ontario, Canada Category:Calculus Private:No Subject:calculus: ... | |
| trigonometric functions | 12/21/2011 |
| Q: i tried to find the x values for this, i got a and c from this question but i didnt get these two. ... A: Questioner:humaira Country:Ontario, Canada Category:Calculus private:No Subject:calculus: ... | |
| Trigonometric equation. | 12/15/2011 |
| Q: I'm hoping you'll be able to help me out with some problems... The questions states: solve for all ... A: Questioner: Mike Country: Ontario, Canada Category: Calculus Private: No Subject: TRIG ... | |
| Centroid | 12/14/2011 |
| Q: A triangular trough has a base of 3 feet height of 3 feet and a length of 10 feet if the trough is ... A: Questioner: christopher deblasio Country: New York, United States Category: Calculus Private: No ... | |
| Trigonometric limit | 12/11/2011 |
| Q: how can we prove lim sinx= sina when x approach to a A: Questioner: bektur Country: Istanbul, Turkey Category: Calculus Private: Yes <<<< changed ... | |
| Related Rates | 12/10/2011 |
| Q: I've looked through your previously worked related rates problem, but I'm still having a little ... A: Questioner: Renee Country: Indiana, United States Category: Calculus Private: No Subject: ... | |
| Wrong answer - revision posted. | 12/8/2011 |
| Q: Your answer to part b at http://en.allexperts.com/q/Calculus-2063/Related-rates-geometry.htm is ... A: It took a while to figure out what was wrong, but I see it now. It also took about 3 minutes just to ... | |
| Difference Equations | 12/7/2011 |
| Q: My calculus professor is kind of in his old world and just creates problems out of the blue. If you ... A: Questioner: Austin Country: Iowa, United States Category: Calculus Private: No Subject: Calculus ... | |
| Basic functions | 12/7/2011 |
| Q: a.Program speed, or runtime, is an important concept in computer programming, and it is measured in ... A: Questioner: Patti Country: Texas, United States Category: Calculus Private: No Subject: How Do ... | |
| Continuity | 12/7/2011 |
| Q: Prove that 2π+x+2πsinx = 0 has at least two solutions on [-π,0]. I'm a bit stumped. A: Questioner: Granit Country: Ontario, Canada Category: Calculus Private: No Subject: Calc. Rolles ... | |
| Logarithmic functions | 12/6/2011 |
| Q: a.One important application of logarithms is found in various computer search routines. For example, ... A: Questioner: Patti Country: Texas, United States Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problems | 11/28/2011 |
| Q: A building with a rectangular base is to be constructed on a lot in the form of a right triangle ... A: Questioner: rachel Country: Manila, Philippines Category: Calculus Private: No Subject: ... | |
| Velocity and acceleration. | 11/26/2011 |
| Q: A small frictionless cart, attached to the wall by a spring is pulled 10 cm from its rest position ... A: Questioner: Joshua Country: California, United States Category: Calculus Private: No Subject: ... | |
| Polynomials | 11/24/2011 |
| Q: Part of the graph of f(x)=(x-p)(x-q) is shown below.[in pic attached]. The Vertex is at C. The graph ... A: Questioner: kevin Country: Beijing, China Category: Calculus Private: No Subject: calculusPart ... | |
| Completing the square, | 11/23/2011 |
| Q: consider the function f(x)=2x^2-8x+5. a)express f(x) in the form of a(x-p)^2+q,where a,p,q are Z? ... A: Questioner: kevin Country: Beijing, China Category: Calculus Private: No Subject: ... | |
| Differentiation: equation to normal | 11/21/2011 |
| Q: the normal to the curve y= x^2-9x at point P is parallel to the straight line y= -x+8. find the ... A: Questioner: Quaternion Country: Sabah, Malaysia Category: Calculus Private: No Subject: ... | |
| Constant of integration. | 11/12/2011 |
| Q: dy/dx=-xy^2 and y(1)=-.25 My work (1/y^2)dy=-xdx I then integrate to find -y^-1=(-x^2/2)+C C=9/2 ... A: Questioner: Samantha Country: Texas, United States Category: Calculus Private: No Subject: ... | |
| Related Rates | 11/10/2011 |
| Q: A rectangle has constant area of 200 square meters and its lenght L is increasing at the rate of ... A: Questioner: Demetria Country: Pennsylvania, United States Category: Calculus Private: No ... | |
| linear independence of exponential functions | 11/10/2011 |
| Q: I believe this set of functions ( a^(1x),a^(2x),....,a^(nx)) are linearly independent.Given it is ... A: Questioner: sean Country: Gambia Category: Calculus Private: No Subject: linear independence of ... | |
| Basic differentiation rules | 11/9/2011 |
| Q: Derivative of -48x/(x^2+12)^2. I factor out -48*(x/(x^2+12)^2 then get ... A: Questioner: Andrea Country: Nebraska, United States Category: Calculus Private: No Subject: ... | |
| Vertical Tangent Lines | 11/9/2011 |
| Q: For each of the following, find the point(S) if any, where the relation has nay vertical tangent ... A: Questioner: Taylor Country: Texas, United States Category: Calculus Private: No Subject: ... | |
| Exponential Functions | 11/4/2011 |
| Q: If an account that earns interest compounded continuously takes 12 years to double in value, how ... A: Questioner: Kriste Country: Tennessee, United States Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problems | 10/21/2011 |
| Q: A manufacturer finds that in producing x units per day (for 0<x<100), three different kinds of cost ... A: Questioner:kristen Country:Tennessee, United States Category:Calculus Private:No Subject:Calculus ... | |
| Related Rates | 10/20/2011 |
| Q: At noon, ship A is 20 nautical miles due west of ship B. ship A is sailing west at 16 Knots and ship ... A: Questioner:leah Country:Iowa, United States Category:Calculus Private:No Subject:related ratesAt ... | |
| Integration by substitution | 10/16/2011 |
| Q: I do first year Calculus. I am completely stuck on the followingDetermine Integral of 4/[x(4lnx+1)] ... A: Questioner:Ghutty Country:Eastern Cape, South Africa Category:Calculus Private:No ... | |
| Integration by substitution | 10/16/2011 |
| Q: I am doing first year Calculus. I am stuck on the following question. Determine the integral for ... A: Questioner:Ghutty Country:Eastern Cape, South Africa Category:Calculus Private:No ... | |
| Integration by substitution | 10/16/2011 |
| Q: My name is Ghutty and I would really appreciate it if you could check if I am on the right track. ... A: Questioner:Ghutty Country:Eastern Cape, South Africa Category:Calculus Private:No ... | |
| Basic derivatives, chain rule | 10/12/2011 |
| Q: my name is Ovidiu and I don't know how to derive: sqrt(1+x^2) From what I know it should be ... A: Country:Cluj, Romania Category:Calculus Private:No Subject:derive sqrt of sums of squaresHello, my ... | |
| Limits tending to infinity | 10/11/2011 |
| Q: lim x->0(x/x)=1. What will happen when I do like this...lim x->0(x)lim x->0(1/x)=?( Is the answer 1 ... A: Questioner:shameem Country:India Category:Calculus Private:No Subject:Limits tending to infinitylim ... | |
| Related Rates | 10/10/2011 |
| Q: A water tank has the shape of a circular cone where the pointed end points up. The radius of the ... A: For the first question I asked you, wouldn't we want volume in terms of height since we want to find ... | |
| Locus | 10/9/2011 |
| Q: find the locus of a set of points which are such that their distance from the x-axis is always 2 ... A: Questioner:Sarah Country:New South Wales, Australia Category:Calculus Private:No Subject:locusfind ... | |
| Related Rates | 10/9/2011 |
| Q: hai..can u help- me to answer my repot tom.. i need this today.. heres my equation.. each side of an ... A: Questioner:jay Country:Benguet, Philippines Category:Calculus Private:No Subject:calculus 1hai..can ... | |
| Related Rates | 10/5/2011 |
| Q: A water tank has the shape of a circular cone where the pointed end points up. The radius of the ... A: Questioner:Tommy Country:Minnesota, United States Category:Calculus Private:No ... | |
| Maximum-minimum problems | 10/2/2011 |
| Q: A furniture business rents chairs for conferences. A contract is drawn to rent and deliver up to 400 ... A: Questioner:michelle Country:Pennsylvania, United States Category:Calculus Private:No ... | |
| Polynomial Equations | 9/7/2011 |
| Q: http://en.wikipedia.org/wiki/Quadratic_equation As seen from the definition, a quadratic equation ... A: Note: I do not accept private questions. I change them to public, as I note in my instructions.Dear ... | |
| Basic derivatives. | 9/7/2011 |
| Q: Questioner:Gatti Country: South Africa Studying:Calculus A module covers Differentiation of ... A: Country:Western Cape, South Africa Category:Calculus Private:No Subject:Logarithmic ... | |
| Polynomial Equations | 9/7/2011 |
| Q: http://en.wikipedia.org/wiki/Quadratic_equation As seen from the definition, a quadratic equation ... A: Questioner:Prashant S Akerkar Country:Maharashtra, India Category:Calculus Private:No ... | |
| Basic differentiation, limit process | 9/1/2011 |
| Q: f(x+h) - f(x)/h. I came up with the answer -103 but I don't think the answer is supposed to be a ... A: Questioner:Alice Country:New Jersey, United States Category:Calculus Private:No Subject:Numerical ... | |
| Basic derivatives. | 8/23/2011 |
| Q: I have a question about finding the derivative. My problem is y = 1 - ln(x)/2 + x^2 I understand ... A: Questioner:Erin Country:New South Wales, Australia Category:Calculus Private:No Subject:finding the ... | |
| Quotient rule. | 8/17/2011 |
| Q: i cannot seem to understand how to get the second derivative for this sum. y= x+2/x-3 then d^2y/dx^2 ... A: Questioner:AYESHA Country:KwaZulu-Natal, South Africa Category:Calculus Private:No Subject:calculus ... | |
| Maximum-minimum problems | 8/15/2011 |
| Q: A rectangle is inscribed in a semicircle of radius 10 with the base of the rectangle lying along the ... A: Questioner:roniefel Country:Surigao del Sur, Philippines Category:Calculus Private:Yes ... | |
| Supremum - The Completeness Axiom | 8/14/2011 |
| Q: Let A be a nonempty subset of R that is bounded above. (1) Set D := {2a | a ∈ A}. Is it ... A: Questioner: Michael Private:Yes <<<<<<<<<<<<<<<<<<<<<< CHANGED TO PUBLIC.Let A be a nonempty ... | |
| Basic differentiation, limit process | 8/13/2011 |
| Q: Find d[1/sqrt(x)] So I know dy = F'(x) times dx. I am just having a hard time finding the ... A: Questioner:Aaron Country:Florida, United States Category:Calculus Private:No Subject:Finding the ... | |
| Supremum - The Completeness Axiom | 8/12/2011 |
| Q: Let A be a nonempty subset of R that is bounded above. (1) Set D := {2a | a ∈ A}. Is it ... A: Questioner:Michael Country:Australian Capital Territory, Australia Category:Calculus Private:No ... | |
| Maximum-minimum problems | 7/1/2011 |
| Q: I tried to solve the following problem but don't know how to start. A rectangle R in the plane has ... A: Questioner: Wilkins Country: Hong Kong Category: Calculus Private: No Subject: Calculus - ... | |
| Indefinite Integral | 7/1/2011 |
| Q: I need to find the definite integral of (4-x)ln((1/2)*x). I think I use the integration by parts ... A: Questioner: Harry Country: Rotherham, United Kingdom Category: Calculus Private: Yes Subject: ... | |
| l'Hospital's Rule | 3/27/2011 |
| Q: If f' is continuous, use l’Hospital’s Rule to show that lim x-->0 [f(x+h)-f(x-h)]/2h= f'(x) A: Questioner: lim Country: Australia Category: Calculus Private: Yes <<<<<<<<<<<<<<<<<<<<<<<<<<< ... | |
| Damped oscillation | 3/26/2011 |
| Q: After Lee gives his little sister Kara a big push on a swing, her horizontal position as a function ... A: Questioner: Tasmina Category: Calculus Private: No Subject: CaculusAfter Lee gives his little ... | |
| Linear approximation | 3/25/2011 |
| Q: I'm trying to linear the following eq. about x=0 up to the 3rd term: x / (L^2 - x^2) I know the ... A: Questioner: Mike Country: United States Category: Calculus Private: No Subject: linearize a ... | |
| Find intesection points of polar graphs | 3/24/2011 |
| Q: When I graph r(1) = cos(2x) and r(2)=sin(2x) I see two intersections in each quadrant. When I solve ... A: Questioner: Phillip Country: United States Category: Calculus Private: No Subject: polar graphs ... | |
| Maximum-minimum problem | 3/18/2011 |
| Q: determine the area of the largest rectangle that can be inscribed inside a semicircle with a radius ... A: Questioner: tori Country: Canada Category: Calculus Private: Yes <<<<<<<<<<<<<<<<<< changed. ... | |
| Maximum-minimum problem | 3/14/2011 |
| Q: I was wondering if you could help me solve the problem below. Its a question from a sheet from my ... A: Country: United Kingdom Category: Calculus Private: No Subject: Non-Linear ProgrammingHi, I was ... | |
| Limits | 3/14/2011 |
| Q: What is the limit as x tends to infinity of x/(sqr(4x^2-x+3)) and show how A: Questioner: Anne Country: New Zealand Category: Calculus Private: No Subject: LimitsWhat is the ... | |
| Velocity and acceleration | 3/13/2011 |
| Q: A particle is moving along a horizontal line according to the equation s=t^3-12t^2+36t-24 ... A: Questioner: Chakaron Country: Philippines Category: Calculus Private: No Subject: instantaneous ... | |
| Graph Sketching and Critical Points | 3/12/2011 |
| Q: I would greatly appreciate help on 1 more (since you offered:) Find conditions on a, b, c, and d ... A: Questioner: Emily Country: United States Category: Calculus Private: No Subject: polynomial and ... | |
| thank you! | 3/12/2011 |
| Q: Not a question-just a note to thank you for all your help. You are brilliant! You really made my ... A: You're very welcome. The problems you sent were quite interesting, in fact, and I enjoyed answering ... | |
| Related rates | 3/11/2011 |
| Q: I really need help on this problem. I think I have figured it out to number 3, but I don't ... A: Questioner: Emily Country: United States Category: Calculus Private: No Subject: calc problemI ... | |
| Tangent line to a graph | 3/10/2011 |
| Q: I have anothr one that is stumping me I was hoping you could help me with also. Show that the sum ... A: Questioner: Emily Country: United States Category: Calculus Private: No Subject: sum of ... | |
| Slope of a tangent. | 3/10/2011 |
| Q: I have attached a question form calculas homework let me know if you can't see it). Could you please ... A: Questioner: Emily I have attached a question form calculUs homework. Could you please help me ... | |
| Limits | 3/6/2011 |
| Q: Use the subtitution t = 1/x to express the limit as an equivalent limit in which t goes to 0+ or ... A: Questioner: sara Country: Oman Category: Calculus Private: No Subject: limUse the subtitution t ... | |
| Trig identity | 3/4/2011 |
| Q: I have a couple questions. 1. Find the exact value of sin(x/2) when secu=(-7/2) I know you have to ... A: Questioner: Meghan Country: United States Category: Calculus Private: No Subject: precalculus ... | |
| Implicit differentiation | 3/3/2011 |
| Q: I have a question about implicit differentiation and inverses. If I take the immplicit derivitive of ... A: I don't see that as an implicit or inverse thing -- how about the method of logarithmic ... | |
| Graphing with calculus and calculators | 3/2/2011 |
| Q: The following if myf(x)= (x^2/3)/1+x+x^4 I am supposed to use a computer system to graph f, f prime, ... A: Questioner: Alyssa Zima Country: United States Category: Calculus Private: No Subject: Calculus ... | |
| Implicit differentiation | 3/2/2011 |
| Q: I have a question about implicit differentiation and inverses. If I take the immplicit derivitive of ... A: Questioner: Terence Category: Calculus Private: No Subject: Implicit differentiationI have ... | |
| Rotation of Axes | 2/27/2011 |
| Q: Rotate the axes to eliminate the “xy – “ term of the equation: 6x2 + 60xy + 6y2 + 9x + 9y + 52 = 0 ... A: Questioner: Kalli Country: United States Category: Calculus Private: No Subject: Precalculus- ... | |
| Relative Maximum | 2/26/2011 |
| Q: I am studying Business Calculus and right now my class is working on taking the derivatives of ... A: Questioner: Marissa Country: United States Category: Calculus Private: No Subject: Calculus ... | |
| Exponential growth | 2/25/2011 |
| Q: Researchers used a version of the Gompertz curve to model the rate that children learn with the ... A: Questioner: Jasmine Category: Calculus Private: No Subject: CalculusThank you for answering my ... | |
| Exponential growth | 2/24/2011 |
| Q: Suppose a population is growing exponentially with an annual growth constant k=0.05. How fast is the ... A: Questioner: Koh Category: Calculus Private: Yes <<<<<<<<<<<<<<< changed. Subject: Exponential ... | |
| Maximum-minimum problem | 2/22/2011 |
| Q: A box having a square base and an open top is to contain 96 cubic feet. What should its domensions ... A: Questioner: Charles Country: United States Category: Calculus Private: No Subject: Applied Max ... | |
| Maximum-minimum problem | 2/22/2011 |
| Q: Find the Dimensions that give the largest area for the rectangle shown in the figure. Its base is on ... A: Questioner: Charles Private: No Subject:Find the Dimensions that give the largest area for the ... | |
| Lines and planes in space | 2/21/2011 |
| Q: I'm trying to find the point (x,y,z) on the plane 2x-y+z=3 that is closest to the point (2,0,-1). I ... A: Questioner: mike Country: United States Category: Calculus Private: No Subject: Max/Min ... | |
| Maximum-minimum problem | 2/20/2011 |
| Q: I'm trying to find the point on the curve y = x^(3/2) that is the closest to the point (1,0). I ... A: Questioner: mike Country: United States Category: Calculus Private: No Subject: point on a curve ... | |
| Maximum-minimum problem | 2/19/2011 |
| Q: find the area of largest rectangle with its lower base on the x_axis and whose corners are bounded ... A: Questioner: madiha Country: Pakistan Category: Calculus Private: No Subject: maximum and minimum ... | |
| Partial fractions | 2/18/2011 |
| Q: What is the integral of sec^3 (x)? Battling with this one ANSWER: Questioner: Peter Category: ... A: Questioner: Peter Country: South Africa Category: Calculus Private: No Subject: Trig integral ... | |
| Related Rates | 2/15/2011 |
| Q: A spherical balloon is being filled with helium at the rate of 9 ft^3/min. How fast is the surface ... A: Questioner: Tiffany Country: United States Category: Calculus Private: No Subject: Calculus: ... | |
| Limits | 2/15/2011 |
| Q: [Question] lim f(x) =1- e^(1/2- 1/x) as x approaches infinity [Difficulty] lim 1 - lim e^(1/2 - ... A: Questioner: Sandy Country: United States Category: Calculus Private: No Subject: AP calculus ... | |
| Basic Trigonometry | 2/14/2011 |
| Q: question no1 a flag in front f a house.The angle of elevation f the top of the flagpole from a ... A: Questioner: giroshrawd Category: Calculus Private: Yes Subject: Trigonometryquestion no1 a flag ... | |
| Velocity and acceleration | 2/13/2011 |
| Q: find the particles displacement for the given time interval. If s(0)= 3, what is the particles ... A: Questioner: gabby Country: United States Category: Calculus Private: Yes <<<< Fixed. No private ... | |
| Tangent to an ellipse | 2/11/2011 |
| Q: The straight line x+y=a will be a tangent to the ellipse (x^2/9 + y^2/16)= 1 if a is equal to A: Questioner: shakil Country: India Category: Calculus Private: No Subject: tangent and normalThe ... | |
| Definition of continuity. | 2/9/2011 |
| Q: When x = 0 is it true that sin(x)/x = 1 or is this just the case as x tends to zero. I feel the ... A: Are you saying that this is not a continuous graph at x = 0. Yes. What is the test for ... | |
| Translations | 2/9/2011 |
| Q: Describe how each graph translates the graph of y = f(x). a. y = f(x) - 3 I have already tried to do ... A: Questioner: Diamond Country: United States Category: Calculus Private: No Subject: Algebra 2/ ... | |
| Definition of continuity. | 2/8/2011 |
| Q: When x = 0 is it true that sin(x)/x = 1 or is this just the case as x tends to zero. I feel the ... A: Questioner: Trevor Country: United Kingdom Category: Calculus Private: No Subject: Is sinx/x a ... | |
| Extreme points | 2/6/2011 |
| Q: i need help with this question. The function given by f(x; y) = xy cos(xy) has a critical point at ... A: Questioner: julie Country: Australia Category: Calculus Private: No Subject: calculus.hi, i need ... | |
| Linearization of a Function at Small x - Taylor Series | 2/3/2011 |
| Q: In trying to refresh for a course in advanced math going back to my calc 2 Taylor Series math. ... A: Questioner: Mike Country: United States Category: Calculus Private: No Subject: Calculus ... | |
| Velocity and acceleration | 2/3/2011 |
| Q: a small rocket is used to propel a small sled along an underground water pipe. the acceleration of ... A: Questioner: Daniel Horne Country: United Kingdom Category: Calculus Private: No Subject: ... | |
| Trig integral | 2/3/2011 |
| Q: What is the integral of sec^3 (x)? Battling with this one A: Questioner: Peter Category: Calculus Private: NoWhat is the integral of sec^3 (x)? Battling ... | |
| x and y intercepts | 2/1/2011 |
| Q: what are the x and y intercepts of f(x)= (x+5)/(x-4)...thank you! A: Questioner: rebecca Country: United States Category: Calculus Private: No Subject: calculus x ... | |
| Limits | 1/31/2011 |
| Q: I'm having some trouble with limit problems. I am hoping that you could give me step by step ... A: Questioner: Elinor Country: United States Category: Calculus Private: No Subject: Calculus: ... | |
| Partial derivative | 1/31/2011 |
| Q: For the production function f(x,y) = 60 x^3/4 y^1/4 , think of f(x,y) as the revenue when utilizing ... A: Questioner: Diana Country: United States Category: Calculus Private: No Subject: calculusFor the ... | |
| Trigonometric limits | 1/26/2011 |
| Q: Why is 6x + 6x cos (6x) / 7sin (6x) cos (6x) as x approaches 0 simplified to 6x / 7sin (6x) cos ... A: Questioner: Jeff Country: United States Category: Calculus Private: No Subject: limitsWhy is 6x ... | |
| Limits | 1/21/2011 |
| Q: Use L'Hopitals rule to obtain the following limits: (a) lim x--> 0+ x^2ln x (b) lim x--> 0+ ... A: Questioner: John Country: South Africa Category: Calculus Private: No Subject: limitsUse ... | |
| Trigonometric identities | 1/20/2011 |
| Q: I am studying trigonometry in my pre-calculus class and we're learning about simplifying ... A: Questioner: Meghan Country: United States Category: Calculus Private: No Subject: Trigonometric ... | |
| graph sketching | 1/20/2011 |
| Q: Let f be the function defined by f(x) = x.e^-x? a. Determine the y-intercept b. Determine the ... A: Questioner: Peter Country: South Africa Category: Calculus Private: No Subject: helpLet f be the ... | |
| Arc length integral | 1/14/2011 |
| Q: I think this question requires some simple transformation, to evaluate the integral for calculating ... A: It is messy. See below. (t is phi or theta, or whatever.) t = 1/2(r + 1/r), r = 1 to r = 3 arc ... | |
| limits | 1/4/2011 |
| Q: find lim(x→π/2)〖tan2x/(x-π/2)〗 A: find lim(x→pi/2)〖tan2x/(x-pi/2)〗 You have: lim(x→pi/2) of sin ... | |
| Differential equation | 12/13/2010 |
| Q: x^2*y'=x^2+y^2 A: Questioner: Kaira Country: Ukraine Category: Calculus Private: Yes <<< changed. Subject: ... | |
| Volume of revolution | 12/10/2010 |
| Q: I have a spherical oil tank. If the tank is a quarter full by depth (i.e. depth = 0.5r, what ... A: Questioner: Malcolm Country: United Kingdom Category: Calculus Private: No Subject: ... | |
| Slope of the secant line. | 11/21/2010 |
| Q: Find the slop of a line tangent to the curve y=3x^2 at the point P(1.5,6.75) by finding the limit of ... A: Questioner: ken Country: United States Category: Calculus Private: No Subject: ... | |
| Slope of the secant line. | 11/21/2010 |
| Q: Find the slope of a line tangent to the curve by=x^2 at the point P(3,9)by finding the limit of the ... A: Questioner: ken Country: United States Category: Calculus Private: No Subject: ... | |
| Dirichlet's Function/continuity | 11/20/2010 |
| Q: Dirichlet's function: Let f:(0,1)->R be given by f(x)={1/q if x=p/q in lowest terms with p,q in ... A: Questioner: brittany Country: United States Category: Calculus Private: No Subject: ... | |
| Related rates | 11/16/2010 |
| Q: Milt Famey hits a line drive to center field. As he rounds second base, he heads directly for ... A: Questioner: Andrew Country: United States Category: Calculus Private: No Subject: AP ... | |
| Indefinite integral-Change of Variable | 11/16/2010 |
| Q: Find the indefinite integral (X^2 + 1)^3 X^3 dx . Could you please show all the steps to calculate ... A: Find the indefinite integral (X^2 + 1)^3 X^3 dx . Could you please show all the steps to calculate ... | |
| Limits using delta-epsilon | 11/15/2010 |
| Q: Prove: If f(x)->L as x->a, then: If k<L, there exists delta>0 such that f(x)>k whenever ... A: prove that If f(x)->L as x->a, then: f is bounded on some deleted neighborhood of a. All you need ... | |
| Limits using delta-epsilon | 11/15/2010 |
| Q: Prove: If f(x)->L as x->a, then: If k<L, there exists delta>0 such that f(x)>k whenever ... A: Questioner: Brittany Country: United States Category: Calculus Private: No Subject: ... | |
| Graph sketching. | 11/9/2010 |
| Q: Sketch a graph that satisfies all the given conditions: f'(x) > 0 if |x|<2 f'(x) < 0 if |x|>2 f'(2) ... A: Questioner: Robert Country: United States Category: Calculus Private: No Subject: ... | |
| Limits | 11/9/2010 |
| Q: Lim [ sqrt(4x^2 -12x +1) -x ] x-> infinity) A: Questioner: Jennifer Category: Calculus Private: no Subject: limits (Calulus 1)Lim [ ... | |
| Maximum-minimum problem | 11/9/2010 |
| Q: I need a setup for this: It didn't come to me so here goes the question. While doing the question, I ... A: Questioner: Phillip Larsen Country: United States Category: Calculus Private: No Subject: ... | |
| Application of integration. | 11/8/2010 |
| Q: 1. Find arc length of the curve: x=sqrt of 2t : y= t^5/5-1/3t^3 1< and equal to t< and equal to 2 ... A: Questioner: Tina Country: United States Category: Calculus Private: No Subject: second ... | |
| Calculus-integration | 11/1/2010 |
| Q: Can't figure out how to find the integral of 1/SQRT(1+x^3) A: Sorry, but there is no elementary way to do this. I suggest you try this site: ... | |
| Relative extrema and inflection points | 10/22/2010 |
| Q: Why does the function x^4+3x^3-2 have a relative min at (-2.25, -10.54) with no absolute minimum but ... A: Questioner: Shelly Country: United States Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problems | 10/21/2010 |
| Q: A rectangular field is to be enclosed on four sides with a fence. Fencing costs $8 per foot for ... A: Questioner: Ashley Country: United States Category: Calculus Private: No Subject: ... | |
| Graph sketching | 10/20/2010 |
| Q: I am trying to solve for the five variables in this equation. However, I have only three points. I ... A: Questioner: David Country: United States Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problems | 10/19/2010 |
| Q: In the following diagram, S represents the position of a power relay station located on a straight ... A: Questioner: katelyn Country: United States Category: Calculus Private: No Subject: ... | |
| Complex Plane | 10/19/2010 |
| Q: Q: Find all solutions to the equation (z^3+1)*(z^2+z+1)=0, giving all roots in polar form(that is, ... A: Questioner: Caleb Country: Australia Category: Calculus Private: No Subject: DeMoivre's ... | |
| DeMoivre's Theorem | 10/18/2010 |
| Q: Q: Find all solutions to the equation (z^3+1)*(z^2+z+1)=0, giving all roots in polar form(that is, ... A: Questioner: Caleb Country: Australia Category: Calculus Private: No Subject: complex ... | |
| The intermediate value theorem (a.k.a. the Medium Suede Problem) | 10/18/2010 |
| Q: George takes a trip from St. Louis to Chicago. He leaves at 9am on Monday and arrives at 2pm that ... A: Questioner: Jeanne Category: Calculus Private: No Subject: calculusGeorge takes a trip ... | |
| Maximum-minimum problems | 10/12/2010 |
| Q: A rectangular area of 3200 square feet is to be fenced off. Two opposite sides will use fencing ... A: Questioner: Chris Country: United States Category: Calculus Private: No Subject: ... | |
| Basic derivatives. | 10/12/2010 |
| Q: Given y=(Xsquared + 6)divided by X. Find X if dy divided by dx equals to zero A: Questioner: Rob Country: Australia Category: Calculus Private: No Subject: CalculusGiven ... | |
| Odd and even functions. | 10/11/2010 |
| Q: determine algebraically whether each function is even, odd, or neither. f(x)=Cube root of 2x^2+1 A: Questioner: Nick Country: United States Category: Calculus Private: No Subject: finding ... | |
| Ratio test | 10/10/2010 |
| Q: the question is : find the range of values of x>0 for which the series (it has a sigma notation ... A: Questioner: jay Category: Calculus Private: no Subject: converging functionhello, the ... | |
| Partial fractions | 10/10/2010 |
| Q: the question is : express the following in partial fractions 1/(x^2+a)(x^2+b). i expressed this ... A: Questioner: jay Country: United Kingdom Category: Calculus Private: No Subject: partial ... | |
| Equation of a lline | 10/5/2010 |
| Q: What is the formula for the line intersecting the graph of f at x=1 and x=3, where f(x)= 10/xsq.+1? ... A: Questioner: JoAnn Country: United States Category: Calculus Private: No Subject: Formula ... | |
| Basic rate-time-distance problem. | 10/3/2010 |
| Q: mary leaves her house at noon, traveling in her car st 45mh. later, mary's brother joe leaves their ... A: Questioner: Ellen Category: Calculus Private: Yes << don't do this. Subject: please help ... | |
| Delta, Epsilon | 10/2/2010 |
| Q: Given the graph f(x)=sqr-rootx find a number delta such that if the absolute value of x-4<d then ... A: Questioner: Rebecca Country: United States Category: Calculus Private: No Subject: ... | |
| limits | 9/1/2010 |
| Q: lim x-0 tanx-sinx/x*x*x A: Questioner: suman dhakal Category: Calculus Private: no Subject: limitslim x-0 ... | |
| pyramids | 8/30/2010 |
| Q: Any help would be awesome thanks, the problem goes like this what fraction of the volume of a ... A: Questioner: Francis Category: Calculus Private: no Subject: pyramidsHi there were studying ... | |
| Trig/Precalc | 8/26/2010 |
| Q: A right triangle is formed in the first quadrant by the x and y axes (points (0,y) and (x,o)) and ... A: Questioner: Pain Category: Calculus Private: no Subject: Trig/PrecalcA right triangle is ... | |
| Limits involving e | 8/21/2010 |
| Q: I'm having trouble solving this problem on limits on my calc packet. lim (e^2x - e^4)/(x-2) x->2 ... A: I think this is one of those "do you recognize the definition of the derivative?" exercises: ... | |
| Conic Sections | 6/25/2010 |
| Q: According to Kepler, "when the angles between the plane and the cone are slowly increased one will ... A: Questioner: shameem Private: No Subject:According to Kepler, "when the angles between the plane ... | |
| Series | 6/23/2010 |
| Q: For what values of p does summation n/sqrt(4+n^p) converge? (Indicate reasoning. A: Questioner: Krystal Country: United States Category: Calculus Private: No Subject: Help ASAP ... | |
| Integrals by trig subst | 6/23/2010 |
| Q: Evaluate the integral of dx/(x^2 + 1)^2 from 0 to 1 by making the substitution x = tanu; remember ... A: Questioner: Krystal Country: United States Category: Calculus Private: No Subject: Help ASAP ... | |
| Trapezoidal rule | 6/21/2010 |
| Q: Use Trapizoid Rules to estimate Integral of 1 to 0 of 551x^550 dx. Find the value of n such that ... A: Questioner: Sam Country: United States Category: Calculus Private: No Subject: CalculusUse ... | |
| Integrate | 5/27/2010 |
| Q: How would I evaluate a definite integral of an absolute trig value function? Specifically,this one: ... A: Charles Private: No Subject:How would I evaluate a definite integral of an absolute trig value ... | |
| evaluate the limit | 4/19/2010 |
| Q: I asked this question to someone else, but the answer they gave was incorrect. Here is theI am ... A: Questioner: Jesse Category: Calculus Private: No Subject: evaluate the limitI asked this ... | |
| Volume of revolution | 3/22/2010 |
| Q: The region bounded by y=sq.rt of x, y=0, x=0, and x=14 is revolved about the x-axis. We need to ... A: Questioner: Daphne Country: United States Category: Calculus Private: No Subject: Volume Under a ... | |
| Integration methods | 3/22/2010 |
| Q: how would you integrate e^x^1/2dx using a u substitution of u = x^1/2 then integration by parts? A: Questioner: Keith Country: United States Category: Calculus Private: No Subject: intergration by ... | |
| Calculus II | 3/22/2010 |
| Q: The question is as follows: Sketch the first quadrant area bounded by y=sqrt(1+x^2) + x, the x-axis, ... A: Questioner: Alex Country: United States Category: Calculus Private: No Subject: Calculus II ... | |
| Implicit differentiation | 3/21/2010 |
| Q: Implicit differentiation 1)If 4y-2x=3x^2+y^2, then dy/dx= and also... 2) What is the slope of ... A: Questioner: steve Country: United States Category: Calculus Private: No Subject: Implicit ... | |
| Implicit differentiation | 3/20/2010 |
| Q: . Differentiate the equation x^3+3xy^2=1 with respesct to the variable "t" and express dy/dt in ... A: Questioner: Giancarlo Country: United States Category: Calculus Private: No Subject: Implicit ... | |
| Maximum-minimum problem | 3/19/2010 |
| Q: A store csn sell 500 pens, which cost the store 35 cents each, for $1 each. For each penny the store ... A: Questioner: Joseph Country: Canada Category: Calculus Private: No Subject: max/min problemsA ... | |
| Tangent line | 3/18/2010 |
| Q: The line x + y = k, where k is a constant, is tangent to the graph of y = x^2 + 3x + 1. Find the ... A: Questioner: steve Country: United States Category: Calculus Private: Yes <<<<< fixed. Subject: ... | |
| Integration by parts | 3/18/2010 |
| Q: How to integrate (x^2 -5)*(e^x)? A: Questioner: Gwen Country: United States Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problem | 3/16/2010 |
| Q: 1) A right circular cylinder has to be designed to fit inside a sphere of radius 2m so that its top ... A: Questioner: Ahisa M Country: Canada Category: Calculus Private: No Subject: calculus1) A right ... | |
| Integration methods | 3/15/2010 |
| Q: Klarreich. Can you please help me integrate the following? This is first year calculus. ... A: Questioner: John Country: United States Category: Calculus Private: No Subject: IntegralsHi Mr. ... | |
| Trigonometic integral | 3/10/2010 |
| Q: i've some problems to solve this integral x^3sqrt(4 -x^2)dx i should solve it using trigonometric ... A: Questioner: meme Country: Qatar Category: Calculus Private: No Subject: cal IIhi i've some ... | |
| Related rates | 3/7/2010 |
| Q: An isosceles triangle whose base lies on the diameter of a circle is inscribed in the circle. When ... A: Questioner: steve Country: United States Category: Calculus Private: No Subject: related rate ... | |
| Formal limit proof | 3/6/2010 |
| Q: Hi I don't understand epsilon delta definition of the limit I just continued with the course ... A: Questioner: hamad Country: Kuwait Category: Calculus Private: No Subject: epsilon delta limitHi ... | |
| General formula of n-th derivative | 3/6/2010 |
| Q: I think I did the first but need help in the second the nth derivative of 1/x I got is : (-1)^n* n! ... A: Questioner: hamad Country: Kuwait Category: Calculus Private: No Subject: General formula of ... | |
| Graph sketching. | 3/5/2010 |
| Q: Use the Second Derivative Test to find all relative extrema of the function. f(x)=2x3+3x2-12x+16 ... A: Questioner: Gabriel Country: United States Category: Calculus Private: No Subject: Survey of ... | |
| Areas by Integration | 3/1/2010 |
| Q: My question is as follows: Evaluate the integral below by interpreting it as area and using ... A: Questioner: Leanna Private: No Subject: AreasMy question is as follows: Evaluate the integral ... | |
| Integration methods | 2/15/2010 |
| Q: this is the problem int(x^(-1/2) * (1 + x^(1/2))^(-1/2) dx attempt: u=x^(1/2) du/dx = 1/2 x^(-1/2) ... A: Questioner: hamad Country: Kuwait Category: Calculus Private: No Subject: integrationHi. this is ... | |
| Volume of revolution | 2/15/2010 |
| Q: What is the volume of the solid obtained? A region R is bounded by y=0, y=f(x)>0, x=o, x=t>0. If R ... A: Questioner: Alex Country: United States Category: Calculus Private: No Subject: Calculus IIWhat ... | |
| Volume of revolution | 2/14/2010 |
| Q: Sir, As questions are calculus questions and written with the help of Math type so, I attached the ... A: Questioner: vampire Country: Pakistan Category: Calculus Private: No Subject: Calculus questions ... | |
| Logarithmic Functions | 2/14/2010 |
| Q: Solve the equation: 10e^(3x-7)=100 I've tried simplifying the 100 so that the equation becomes ... A: Questioner: Elizabeth Country: United States Category: Calculus Private: Yes Subject: College ... | |
| Mathematical Induction. | 2/12/2010 |
| Q: I have seen some statements in my text book. I think these are true statements. But they given in ... A: Questioner: mahima Country: India Category: Calculus Private: No Subject: numbersDear Sir, I ... | |
| Related Rates | 2/11/2010 |
| Q: Okay, I have 3 different problems to solve with shadows and I've looked around and can't find any ... A: Questioner: Christina Country: United States Category: Calculus Private: No Subject: Shadow ... | |
| Related rates | 2/11/2010 |
| Q: I know how to set up most related rate problems, but this one doesn't make any sense to me. I can do ... A: Questioner: Christina Country: United States Category: Calculus Private: No Subject: Airplane ... | |
| Trigonometric Identities | 2/10/2010 |
| Q: 1-ABCD is a parallelogram, AB=8cm , BC=11cm ,BD=9cm find AC also find the s.area of the ... A: Questioner: Christine Country: Egypt Category: Calculus Private: No Subject: Trignometry1-ABCD ... | |
| Integration methods | 2/10/2010 |
| Q: How to integrate [sin (ln y)dy]? A: Questioner: Rave Country: Philippines Category: Calculus Private: Yes Subject: integral ... | |
| volume integration(from pool) | 2/10/2010 |
| Q: 1) A ball of radius 16 has a round hole of radius 9 drilled through its center. Find the volume of ... A: Questioner: Ray1) A ball of radius 16 has a round hole of radius 9 drilled through its center. ... | |
| Integration methods | 2/8/2010 |
| Q: I'm being asked to integrate x^3/(sqrt(4x^2-7))dx? My math teacher sucks and I have no clue what to ... A: Questioner: Matt kaczmarek Category: Calculus Private: No Subject: calculus 2I'm being asked to ... | |
| Basic limits | 2/7/2010 |
| Q: lim -> 2^- (x^2-3x+2)/(x^3-2x^2) -I keep getting -3/4 as my answer, but I know that is not ... A: Questioner: ektee Country: United States Category: Calculus Private: No Subject: calculuslim -> ... | |
| Basic limits | 2/7/2010 |
| Q: lim theta->0 (sin(theta))/(sin2(theta)) which led me to get: sin 0/ sin 2*0 = sin 0/sin0 = 1? A: Questioner: ekta Country: United States Category: Calculus Private: No Subject: calculus -12th ... | |
| Sinusoidal graphs | 2/4/2010 |
| Q: Assume the number of hours of daylight in Portland, Oregon is a transformed sine graph(also known as ... A: Questioner: lole Country: United States Category: Calculus Private: No Subject: calculusAssume ... | |
| Area between curves | 2/2/2010 |
| Q: There is a line through the origin that divides the region bounded by the parabola y = 7 x - 8 x^2 ... A: Questioner: mike Country: United States Category: Calculus Private: No Subject: areaThere is a ... | |
| Basic integration | 2/1/2010 |
| Q: I have question what iss the inteegration of cos t +cos 2t A: Questioner: lotoya Country: Mexico Category: Calculus Private: No Subject: mathshello Paul, I ... | |
| domain | 2/1/2010 |
| Q: can the domain of f(x) be the square root of a negative number A: Questioner: Vern Country: United States Category: Calculus Private: No Subject: calculus ... | |
| l'Hospital's rule. | 1/31/2010 |
| Q: Evaluate the following limit: Lim x--> pi/x [sec(x)-tan(x)] Multiple choice answers are as ... A: Questioner: Katherine Country: United States Category: Calculus Private: No Subject: ... | |
| Improper integrals | 1/31/2010 |
| Q: Evaluate the following integral: {infinity | 1/((sqrt(x))(x+1))dx }0 Since I cannot evaluate the ... A: Questioner: Jamie Country: United States Category: Calculus Private: No Subject: Integrals ... | |
| Basic derivative applications. | 1/31/2010 |
| Q: 1) Where is the graph of f(x) = e^(-x^2) concave down? 2) Find an equation of the line tangent to ... A: Questioner: Carolyn Country: United States Category: Calculus1) Where is the graph of f(x) = ... | |
| Linear programming | 1/30/2010 |
| Q: Could you please help me to resolve this? ( A manufactures makes 2 kinds of chairs. The basic chair ... A: Questioner: thu Country: Czech Republic Category: Calculus Private: No Subject: Please help ... | |
| Related rates | 1/30/2010 |
| Q: A flask in shape of a cone of height 20cm and radius 8cm is held vertex downwards. Show that when ... A: Questioner: Abirami Country: Malaysia Category: Calculus Private: No Subject: Rate of CHangeA ... | |
| Integrals using Substitution | 1/28/2010 |
| Q: Evaluate the following integral: {1 | (sqrt(t))/(t+1) }0 For this I tried substituting u=t, ... A: Questioner: mike Country: United States Category: Calculus Private: No Subject: definite ... | |
| Indefinite Integrals using Substitution | 1/27/2010 |
| Q: 1. Find the following integral. Note that you can check your answer by differentiation. { | ... A: Questioner: Mike Country: United States Category: Calculus Private: Yes Subject: Indefinite ... | |
| Basic derivative rules. | 1/27/2010 |
| Q: Can you in as many steps as possible calculate this differentiation?: d/dx sqrt (27 - x^2) divided ... A: Questioner: miles Country: United Kingdom Category: Calculus Private: No Subject: calculusHi, ... | |
| First derivative | 1/26/2010 |
| Q: Im Reynand. why is it that the 1st derivative of f(x)=(x^2)+x..is equal to f(x)=4x+1...why is it ... A: Actually i used the y=nx^(n-1)..... Yes, that is the x^n rule. But it says that if y = x^n, then ... | |
| velocity problem | 1/26/2010 |
| Q: I asked you this earlier and got the answer for total displacement but now when I try and find ... A: Questioner: brooke Country: United States Category: Calculus Private: No Subject: velocity ... | |
| Basic integration | 1/25/2010 |
| Q: So this problem I'm working on says that the velocity of a function is v(t)=-t^2+4t-3 for a particle ... A: Questioner: Brooke Country: United States Category: Calculus Private: No Subject: velocity ... | |
| Finding critical points | 1/25/2010 |
| Q: calculus 1 y=x^(sin(x)) ln(y)=sin(x)ln(x) y'/y=sin(x)/x+ ln(x)cos(x) y'=x^sin(x)(sin(x)/x ... A: Questioner: hamad Country: Kuwait Category: Calculus Private: No Subject: critical pointcalculus ... | |
| Basic derivative applications. | 1/20/2010 |
| Q: can u please help me solve this problem, with explanations along the way? thank you! let f be the ... A: Questioner: samantha Country: United States Category: Calculus Private: Yes Subject: calculus ... | |
| Definite integral properties | 1/19/2010 |
| Q: For this problem could you provide the answer with the steps so I can understand problems like this ... A: Questioner: ray Country: United States Category: Calculus Private: No Subject: derivativeFor ... | |
| Definite integral | 1/19/2010 |
| Q: I'm suppose to evaluate the definite integral for this.. f(x)= x if x<1 1/x if x>or=1 {5 | ... A: Questioner: brooke Country: United States Category: Calculus Private: No Subject: definite ... | |
| Definite integral properties | 1/19/2010 |
| Q: This problem makes no sense to me. Please explain each step of what I am suppose to do. 1. y= {x^8 ... A: Questioner: Leah Country: United States Category: Calculus Private: No Subject: find derivative ... | |
| Definite integral properties | 1/18/2010 |
| Q: The two questions I am having a lot of trouble on are these: 1. Use part I of the Fundamental ... A: Questioner: brooke Country: United States Category: Calculus Private: No Subject: fundamental ... | |
| Distance formula | 1/18/2010 |
| Q: could you help me answering this problem. Find the shortest distance from the origin to the line 3x ... A: Questioner: samantha Country: Philippines Category: Calculus Private: No Subject: applications ... | |
| Maximum-minimum problem | 1/17/2010 |
| Q: You have just arrived at the beach—in fact, you have just parked your car in a lot 100 m from the ... A: Questioner: Sarah Country: Canada Category: Calculus Private: Yes Subject: Minimizing timeYou ... | |
| Definite integral properties | 1/14/2010 |
| Q: So my question is if there is a problems involving absolute value in these two examples how to i do ... A: Questioner: Brooke Country: United States Category: Calculus Private: No Subject: ... | |
| Theory of Integration(from pool) | 1/13/2010 |
| Q: I need a proof on this theorem. I would gladly appreciate if you can help me: If f is continuous ... A: You want to prove: If f(x) is continuous on [a,b] and F(x) is an antiderivative of f, then F is ... | |
| Basics | 1/11/2010 |
| Q: As the Questions are written with the help of Equation editor, so image of questions file is ... A: Questioner: vampire Country: Pakistan Category: Calculus Private: No Subject: Calculus ... | |
| Related rates | 1/10/2010 |
| Q: find the rat of change of the volume of the cylinder v, with respect to time r= sqareroot of 3t+6 ... A: Questioner: rodimiro rubio Country: United States Category: Calculus Private: No Subject: ... | |
| Integration by parts | 1/10/2010 |
| Q: How would i go about integrating (x^2+1)^1/2 by parts? A: Questioner: Tom Category: Calculus Private: No Subject: IntegrationHow would i go about ... | |
| Implicit differentiation | 1/9/2010 |
| Q: Find the location of all horizontal and vertical tangents... 1)). x * y^2 - 2y = 2 2)). x^2 + ... A: Questioner: Jaim Country: Malaysia Category: Calculus Private: No Subject: derivativeFind the ... | |
| Riemann sums. | 1/9/2010 |
| Q: The value of the limit lim n n->INF E(sigma)((pi/6n)tan(ipi/18n)) i=1 is equal to ... A: Questioner: brooke Country: United States Category: Calculus Private: No Subject: math helpThe ... | |
| Average rate of change. | 1/8/2010 |
| Q: find the average rate of change of the function over the given interval or intervals: h(t)= cot t ... A: Questioner: meg Country: United States Category: Calculus Private: No Subject: calculusfind the ... | |
| Integral log((1+2*cos(x))^2) | 1/7/2010 |
| Q: I know this might not be a first-year calculus problem, but I'm so desperate that I'll ask anyway... ... A: Questioner: Philipp Private: No Subject:Hello, I know this might not be a first-year calculus ... | |
| Definition of real numbers | 1/6/2010 |
| Q: I am houswife and I am going through with the follwoing problem in calculus subject. For A = { r ... A: Questioner: mahima Country: India Category: Calculus Private: No Subject: calculusDear Sir, I am ... | |
| Graph sketching | 1/6/2010 |
| Q: Find the domain, the X and Y-intercepts, Symmetry (even/odd function, period) and Horizontal and ... A: Find the domain, the X and Y-intercepts, Symmetry (even/odd function, period) and Horizontal and ... | |
| Double integrals | 1/5/2010 |
| Q: I've some question regarding cal.3 1- how can i calculate the double integral of xcos(2x+y)dA 0<= ... A: i've emailed the instructor and he told me that i've to do the following: >> That is an improper ... | |
| Double integrals | 1/4/2010 |
| Q: I've some question regarding cal.3 1- how can i calculate the double integral of xcos(2x+y)dA 0<= ... A: Here is what I did. Take a look and see if it looks right. Now u = x, du = dx dv = (sin(2x ... | |
| Definition of the derivative | 1/4/2010 |
| Q: if f(x) is differentiable at x=a and a not equal zero evaluate lim(x..>a , (f(x^2)-f(a^2))/(x^2 - ... A: Questioner: Jaim Category: Calculus Private: No Subject: derivativeif f(x) is ... | |
| Basic derivative application | 1/3/2010 |
| Q: The rate at which people enter an amusement park on a given day is: e(t) = 15600/ (t^2-24t+160) The ... A: Questioner: Leah Country: United States Category: Calculus Private: No Subject: AP calc BCThe ... | |
| Double integrals | 1/3/2010 |
| Q: I've some question regarding cal.3 1- how can i calculate the double integral of xcos(2x+y)dA 0<= ... A: Questioner: meme Country: Qatar Category: Calculus Private: No Subject: cal IIIhi I've some ... | |
| integrations of trigonometric functions | 1/3/2010 |
| Q: how do you integrate sin^3(x)+ cos^3(x)?? please please i need a detailed answer A: how do you integrate sin^3(x)+ cos^3(x)?? ............................. Write the first term: ... | |
| Asymptotes and logarithm properties | 1/3/2010 |
| Q: What are the vertical and horizontal asymptotes of this function? ... f(x)= ... A: Questioner: Jaim Country: Malaysia Category: Calculus Private: No Subject: Asymptotes...What are ... | |
| Tangent line | 1/1/2010 |
| Q: I saw another question about this but the one i have seems different enough in my opinion. my ... A: Questioner: Kevin Country: United States Category: Calculus Private: No Subject: Tangent lineI ... | |
| Graph sketching | 12/31/2009 |
| Q: Find the domain, the X and Y-intercepts, Symmetry (even/odd function, period) and Horizontal and ... A: Questioner: Patty Country: United States Category: Calculus Private: No Subject: Calculus APFind ... | |
| Tangent line | 12/30/2009 |
| Q: I saw another question about this but the one i have seems different enough in my opinion. my ... A: Questioner: Kevin Country: United States Category: Calculus Private: No Subject: Slope Of ... | |
| Related Rates | 12/29/2009 |
| Q: Two roads cross at right angles, one running north/south and the other east/west. Eighty feet south ... A: Questioner: Nicky Country: United States Category: Calculus Private: No Subject: Word problemTwo ... | |
| Area under a curve. | 12/28/2009 |
| Q: Let R be bounded by the x-axis, the graph of y= 2-x^3 and y=tanx. The region S is bounded by the ... A: Questioner: leah Country: United States Category: Calculus Private: No Subject: AP calc BCLet R ... | |
| Basic inequalities. | 12/21/2009 |
| Q: which is larger 5n or -5n and what would be the answer to support this? A: Questioner: Danna Category: Calculus Private: No Subject: mathwhich is larger 5n or -5n ... | |
| Exponential equations | 12/18/2009 |
| Q: So for as we have read lograthims formulae as follows. log(a.b) = log a + log b log(a/b) = log a - ... A: Questioner: Rashid Mehmood Country: Pakistan Category: Calculus Private: No Subject: ... | |
| Implicit differentiation | 12/18/2009 |
| Q: To be honest, I'm not sure how to do the 2 problems I am about to send you at all. For the first ... A: Questioner: carly Country: United States Category: Calculus Private: No Subject: derivativesTo ... | |
| Area under a curve. | 12/16/2009 |
| Q: 1)Find the area enclosed by y=6x^2 and y=x^2+5 2)Find the exact area below the curve y=x(1-x) and ... A: Questioner: Shayne Country: United States Category: Calculus Private: No Subject: Calculus1)Find ... | |
| Instantaneous Velocity | 12/11/2009 |
| Q: find the instantaneou velocity at t=2 for the equation 100sin(t/4). A: Questioner: Drew Country: United States Category: Calculus Private: Yes Subject: Instantaneous ... | |
| Tangent lines | 12/10/2009 |
| Q: Find all the points at which the tangent line to the curve is horizontal. f(x) = square root of x ... A: Questioner: Alexis Private: NoFind all the points at which the tangent line to the curve is ... | |
| Limits | 12/9/2009 |
| Q: lim ->0 square root of (x +5) - square root of 5 divided by x. √x+5 - √5 _________ ... A: Questioner: paul Country: United States Category: Calculus Private: No Subject: calculus limt ... | |
| Slope of the Tangent | 12/8/2009 |
| Q: prove that the sum of two intercept on the axes of any tangent to the curve x^1/2+y^1/2=a^1/2 is ... A: Questioner: anu Country: Pakistan Category: Calculus Private: No Subject: plz helpprove that the ... | |
| Graph sketching | 12/8/2009 |
| Q: find the relative maximum and minimum of the function 'f' when f(x)=(x-1)x^2/3 A: Questioner: anu Country: Pakistan Category: Calculus Private: No Subject: calculus questionfind ... | |
| Related Rates | 12/8/2009 |
| Q: I have 2 questions; 1) Two cars are on a collision course toward point P. The paths of the two cars ... A: Questioner: Alex Country: United States Category: Calculus Private: No Subject: Please Help! ... | |
| Calculus I - Definite integrals. | 12/7/2009 |
| Q: In class we have gone over integration, with "u" substitution in definite and indefinite integrals. ... A: Maybe you can try: Let u = sqrt(x) du = 1/(2 sqrt(x)) dx dx = 2 sqrt(x) du = 2 u du { | ... | |
| Calculus I - Definite integrals. | 12/7/2009 |
| Q: In class we have gone over integration, with "u" substitution in definite and indefinite integrals. ... A: Questioner: Jacob Country: United States Category: Calculus Private: No Subject: Calculus I - ... | |
| Maximum-minimum problem | 12/7/2009 |
| Q: Find the dimensions of the rectangle of largest area that can be inscribed in an equilateral ... A: Questioner: PraeFind the dimensions of the rectangle of largest area that can be inscribed in an ... | |
| Graph sketching | 12/6/2009 |
| Q: I have many questions pertaining to this one equation. Instructions: Graph and Perform all of the ... A: Questioner: Megan Country: United States Category: Calculus Private: No Subject: Functions and ... | |
| Absolute Value Inequalities | 12/5/2009 |
| Q: My prolems are |(x/3)-2|<=4 |2+(1/x)|>1 |x/(x+2)|<=2 I have solved linear, rational & Absolutes ... A: Questioner: Mark Country: United States Category: Calculus Private: No Subject: Absolute Value ... | |
| advanced calculus | 12/4/2009 |
| Q: if f is continuous on [a,b]m and there exists numbers α≠ β such that α∫ ... A: I think this has already been answered. Check the archives. Here it is: I remember it now {c | A ... | |
| Functions - domain and range. | 12/4/2009 |
| Q: Paul, We are working on a packet for math and have a couple questions we can't figure out. Here ... A: Questioner: Sam, Meghan, and Amy Rose Country: United States Category: Calculus Private: No ... | |
| Limits at infinity. | 12/3/2009 |
| Q: I am having trouble rewriting a function in order to make into the 0/0 or Infinity/Infinity form so ... A: Questioner: Alex Country: United States Category: Calculus Private: No Subject: Rewriting ... | |
| itegrals | 12/3/2009 |
| Q: Suppose a particle is observed moving along a straight line, and suppose that the velocity v of ... A: Questioner: pankti Country: Canada Category: Calculus Private: No Subject: itegralsSuppose a ... | |
| Calculus I | 12/2/2009 |
| Q: What is the area of the region formed by y=x, y=2x, and x=4? A: Questioner: Rodrigo Private: NoWhat is the area of the region formed by y=x, y=2x, and x=4? ... | |
| Calculus I | 12/2/2009 |
| Q: The function j(x)=2x - sin(x) for 0 <= x <= 2(pi) is a) increasing over (0, pi) and decreasing over ... A: Questioner: RodrigoThe function j(x)=2x - sin(x) for 0 <= x <= 2(pi) is a) increasing over (0, ... | |
| Maximum-minimum problem | 12/1/2009 |
| Q: A right triangle is created in the first quadrant by connecting the x and y axes with the ... A: Write both a, b in terms of m: Now if y = mx + b (same b as before) and 2 = m(1) + b then: b = ... | |
| Maximum-minimum problem | 12/1/2009 |
| Q: A right triangle is created in the first quadrant by connecting the x and y axes with the ... A: Questioner: bryan Country: United States Category: Calculus Private: No Subject: Pre Calc, ... | |
| Slope of the Tangent | 11/30/2009 |
| Q: I am trying to determine the points on a curve of y=(1/3)x^3 - x^2 where the equation of the tangent ... A: Questioner: Kate Country: United States Category: Calculus Private: Yes Subject: calculus -- ... | |
| Maximum-minimum problem | 11/29/2009 |
| Q: We are on differentiation and derivative. This question is very confusing. I hope someone can help ... A: Questioner: Chloe Country: United States Category: Calculus Private: No Subject: Calculus ... | |
| Graph sketching | 11/28/2009 |
| Q: can you show me the steps to take to address each on of the questions? Thank you very much! In each ... A: Questioner: mikel Country: United States Category: Calculus Private: No Subject: Calculuscan you ... | |
| Tangent vector | 11/24/2009 |
| Q: can u help me in this question please how can i find the unit tangent vector at the indicated ... A: Questioner: meme Country: Qatar Category: Calculus Private: No Subject: cal.3hi can u help me ... | |
| Maximum-minimum problem | 11/24/2009 |
| Q: I have started this question but am not sure if I am doing it correctly. Your help will be greatly ... A: Questioner: Shawty Category: Calculus Private: No Subject: Applied Max/Min ProblemI have started ... | |
| Maximum-minimum problem | 11/24/2009 |
| Q: A builder intends to construct a storage shed having a volume of 1000 ft3, a flat roof, and a ... A: Questioner: bill Country: United States Category: Calculus Private: No Subject: CalculusA ... | |
| Maximum-minimum problem | 11/23/2009 |
| Q: Have you ever solved Maximum-minimum problems? A: Yes, Here are some of them. Hi, S, In typical 'optimization' problems, you want to --- Choose the ... | |
| Related Rates | 11/23/2009 |
| Q: Have you ever solved related rates problems? A: Yes. Here is a collection of them: Questioner: Sarah Category: Calculus Private: No ... | |
| Maximum-minimum problem | 11/22/2009 |
| Q: I've done a lot of these "ship" related rates problems, but this one is tough: At 7:00 AM one ship ... A: Questioner: Ami Country: United States Category: Calculus Private: No Subject: Related RatesI've ... | |
| Lim sin x/x | 11/21/2009 |
| Q: sir I have a mathmetical problem in limit and continuty in calculas. so i'd be greatful to you for ... A: Lim x→0 {(sinx°)/x} =? ANSWER: Questioner: akkha Country: Nepal Category: Calculus ... | |
| curve sketching | 11/19/2009 |
| Q: Find the following: x and y intercepts, extremas, inlfection points and sketch for the function ... A: Questioner: sangita Country: Trinidad and Tobago Category: Calculus Private: Yes Subject: curve ... | |
| Maximum-minimum problem | 11/19/2009 |
| Q: "An oil can is to be made in the form of a right circular cylinder to hold one quart of oil. What ... A: Questioner: Ann Country: United States Category: Calculus Private: No Subject: Max./Min ... | |
| maximizing revenue | 11/19/2009 |
| Q: Demand for a good is given by P=100*e^(0.00125X) （$p/unit, x units/month） Determine ... A: Questioner: Terry Country: Canada Category: Calculus Private: No Subject: calculus, maximizing ... | |
| Help Derivatives | 11/18/2009 |
| Q: Please help me find the intervals of f(x) increasing, the interval of f(x) decreasing and local ... A: Questioner: Vickkie Country: United States Category: Calculus Private: Yes Subject: Help ... | |
| mathmetical problem | 11/18/2009 |
| Q: sir I have a mathmetical problem in limit and continuty in calculas. so i'd be greatful to you for ... A: Questioner: akkha Country: Nepal Category: Calculus Private: No Subject: mathmetical problemsir ... | |
| Double Angle Formulas | 11/17/2009 |
| Q: can you please help me in this question? It says prove: cos^2theta = 1/2 + 1/2cos2theta Thanks A: Questioner: Rabia Country: Canada Category: Calculus Private: No Subject: Double Angle ... | |
| Tangent lines | 10/14/2009 |
| Q: f(x)=x^2+3e^x, at Q(1,1+3e) A: Questioner: jen Country: Canada Category: Calculus Private: No Subject: Find the equation of the ... | |
| Double integrals | 10/13/2009 |
| Q: the double integral of x^3sin(y^3)dydx (the first integral is between 1 and 0 and the second ... A: sorry the integral was: {1 {1 | | x^3sin(y^3) dy dx }0 }x^2 i just wanted to see if i am on ... | |
| sine and cosine waves | 10/12/2009 |
| Q: Here's some background information for the problem: One day w decide to go to six flags. They ... A: Questioner: nicolette Country: United States Category: Calculus Private: No Subject: Pre ... | |
| Definition of the derivative | 10/12/2009 |
| Q: Find the derivative of 8/√(x-2) using the definition of a derivative. I have attempted this ... A: Questioner: Davis Country: United States Category: Calculus Private: No Subject: Finding ... | |
| Three dimensional geometry | 10/10/2009 |
| Q: i've some questions regarding to cal. 3 1- Find an equation of the sphere that passes through the ... A: Questioner: meme Country: Qatar Category: Calculus Private: No Subject: cal. IIIhi i've some ... | |
| binomial theorem | 10/10/2009 |
| Q: find the coefficient of the term independent of x in the expansion (1+x+2x^3)(3/2x^2-1/3x)^9 also ... A: Questioner: Sneha Country: India Category: Calculus Private: No Subject: binomial theoremfind ... | |
| Analysis | 10/10/2009 |
| Q: I can not understand why you have written | 3x - 6 | < e 2 | x - 2 | < e | x - 2 | < e/2 Am ... A: Questioner: Dan Country: Australia Category: Calculus Private: No Subject: AnalysisI can not ... | |
| Integration by parts. | 10/9/2009 |
| Q: ∫ x^n e^x dx= x^n e^x - n∫x^n-1 e^x dx Prove:? Then use the above to evaluate: ... A: Questioner: Dolly Country: United States Category: Calculus Private: No Subject: Calculus. ... | |
| Integration by parts. | 10/9/2009 |
| Q: Use integration by parts to prove the reduction formula: ∫(lnx)^n dx= x(lnx)^n - ... A: Questioner: Dolly Country: United States Category: Calculus Private: No Subject: CalculusUse ... | |
| Basic derivatives | 10/9/2009 |
| Q: I cant figure out these problems. They are due by midnight thursday october 8th ithink! help 1. ... A: i have one more i just cant figure out Suppose u(t)=w(t^2+4) and w'(5)=10. Find u'(1)? Your ... | |
| Basic derivatives | 10/8/2009 |
| Q: I cant figure out these problems. They are due by midnight thursday october 8th ithink! help 1. ... A: Questioner: Melina Country: United States Category: Calculus Private: No Subject: derivativesI ... | |
| Continuous functions | 10/8/2009 |
| Q: find the number c that makes f(x) into: 1. a continuous function 2. a differentiable function in ... A: Questioner: masood khan Country: Pakistan Category: Calculus Private: No Subject: calculasfind ... | |
| Calculating limits using the limit laws. | 10/8/2009 |
| Q: I need to find the limit as x approaches 9 from the left side. I am having troubles understand how ... A: Questioner: Kaitlyn Country: Canada Category: Calculus Private: No Subject: Calculating limits ... | |
| Second derivative-- parameter | 10/7/2009 |
| Q: I need help in finding the proof of second derivative that is (d^2)y/d(x^2)=(dy'/dt)/(dx/dt) if ... A: Questioner: Amelia Country: United States Category: Calculus Private: No Subject: find the proof ... | |
| Differentiation rules | 10/7/2009 |
| Q: Can you help me work through this expression? Thanks Suppose that f (x) = sqrt (5x+1)/(4x^2+1) ... A: Questioner: mikel Country: United States Category: Calculus Private: No Subject: ... | |
| Tangent lines | 10/7/2009 |
| Q: Find equations of the tangent lines to the curve below that are parallel to the line x - 5y = 5. y = ... A: Questioner: Nicole Country: United States Category: Calculus Private: Yes <<<< CHANGED. Subject: ... | |
| Double integrals | 10/6/2009 |
| Q: the double integral of x^3sin(y^3)dydx (the first integral is between 1 and 0 and the second ... A: Questioner: Olivia Category: Calculus Private: no Subject: double integralsthe double ... | |
| Definition of the derivative | 10/5/2009 |
| Q: Exercise 18. Suppose that each of g and h is a function with domain all numbers and f is the ... A: Questioner: waqas Country: Pakistan <<<<< Huh??? You forgot where you live? Category: Calculus ... | |
| Definition of the derivative | 10/5/2009 |
| Q: Suppose that g is a function with domain all numbers so that g′ also has domain all numbers. ... A: Questioner: waqas Country: Australia Category: Calculus Private: No Subject: Calculas << watch ... | |
| Limits | 10/5/2009 |
| Q: Evaluate the limit and justify each step by indicating the appropriate Limit Law(s). limit as x ... A: Questioner: Patty Country: United States Category: Calculus Private: No Subject: ... | |
| Limit proofs - delta-epsilon | 10/4/2009 |
| Q: plz solve this for me Using the formal epsilon − delta definition of derivative, show that ... A: i did not understand after that "u can now write the proof" i mean how this proofs that x^2sinx=0 ... | |
| Integration methods. | 10/2/2009 |
| Q: I am trying to find the indefinite integral of {x^(1/3)-x^(-1/3)}dx. I got an answer of ... A: Questioner: Libby Country: Singapore Category: Calculus Private: No Subject: Indefinite ... | |
| Area between two curves. | 10/1/2009 |
| Q: I am working in Calculus 2 on the applications of integration. It deals with finding the ... A: Questioner: Andrew Prusack Country: United States Category: Calculus Private: No Subject: ... | |
| Function notation | 9/30/2009 |
| Q: p(1+5x) = 6/(2-3x). What is p(x)? A: Questioner: Jane Country: United States Category: Calculus Private: No Subject: Functionsp(1+5x) ... | |
| Limit proofs - delta-epsilon | 9/29/2009 |
| Q: plz solve this for me Using the formal epsilon − delta definition of derivative, show that ... A: Questioner: waqas Country: Australia Category: Calculus Private: No Subject: Epsilon Delta ... | |
| Trigonometric equations | 9/28/2009 |
| Q: Mr. Klarreich, I appreciate the help you've given to others and was hoping you could answer a two ... A: Questioner: Francis Country: Canada Category: Calculus Private: No Subject: TrigonometryMr. ... | |
| Maximum-minimum problems | 9/28/2009 |
| Q: A rectangle is bounded by the y-axis and the equation (y/8)^2=-x+7. Write the area of the rectangle ... A: Sorry about the picture -- I do this all the time; make the picture (it's beautiful) and then forget ... | |
| Rectangle bounded by y-axis | 9/27/2009 |
| Q: A rectangle is bounded by the y-axis and the equation (y/8)^2=-x+7. Write the area of the rectangle ... A: Questioner: Michael Country: United States Category: Calculus Private: No Subject: Rectangle ... | |
| Definition of the derivative | 9/26/2009 |
| Q: I want to write a proof for the derivative of x^n as n*x^n-1 with the binomial theorem my work: ... A: Ok so this is what I tried to deduce r-x= r-x = (r-x) * (r^(n-1)x^0*x^(n-1)r^0 r^2 - x^2 = (r - x)(r ... | |
| Triangle inequality | 9/25/2009 |
| Q: . i kinda understand the proof for |x + y| <= |x| + |y|, but for my homework answers which were ... A: Questioner: momo Country: Singapore Category: Calculus Private: No Subject: triangle ... | |
| Definition of the derivative | 9/25/2009 |
| Q: I want to write a proof for the derivative of x^n as n*x^n-1 with the binomial theorem my work: ... A: How can I factor r^n-x^n / r-x ? I thought you would get that -- perhaps you gave up too quickly, ... | |
| Maximum-minimum problems | 9/25/2009 |
| Q: A rectangle is bound by the x-axis and a semicircle with the domain [-3,3]. Write the area A of the ... A: Questioner: Zach Country: United States Category: Calculus Private: No Subject: calculusA ... | |
| Definition of the derivative | 9/24/2009 |
| Q: I want to write a proof for the derivative of x^n as n*x^n-1 with the binomial theorem my work: ... A: Questioner: Hamad Country: Kuwait Category: Calculus Private: No Subject: d/dx(x^n) proof with ... | |
| limits | 9/23/2009 |
| Q: Could you please tell me how to find the limit of 1-cosx^4 over x^8 when x is approaching zero? ... A: Questioner: Jessica Category: Calculus Private: no Subject: limitsCould you please tell me ... | |
| Maximum-minimum problems | 9/23/2009 |
| Q: Which points on the curve xy^2=1 are closest to the origin? A: Questioner: Matt Country: United States Category: Calculus Private: No Subject: Points on a ... | |
| Improper integral | 9/21/2009 |
| Q: I have tried IBP, substitutions, and z substitutions and I just can not figure this one out. I found ... A: I don't think you need the squeeze theorem, but you do need some stuff about infinite series. ... | |
| Slope of tangent line | 9/20/2009 |
| Q: For f(x)= 3x^3+4x^2-6x+10, Find the equation of the tangent line or lines parallel to 3x-4y+10=0.I ... A: Questioner: Rick Country: United States Category: Calculus Private: No Subject: slopes of ... | |
| Integral Reduction Formulas | 9/19/2009 |
| Q: I need help solving these two equations that I'm stuck on. Please try to show all the steps you go ... A: Questioner: Paul Dunner Country: United States Category: Calculus Private: No Subject: Reduction ... | |
| Improper integral | 9/19/2009 |
| Q: I have tried IBP, substitutions, and z substitutions and I just can not figure this one out. I found ... A: Questioner: Mark Country: United States Category: Calculus Private: No Subject: IntegrationI ... | |
| Rate-time-distance problem | 9/18/2009 |
| Q: A ship is moving at a speed of 40 km/h parallel to a straight shoreline. The ship is 4 km from shore ... A: Questioner: Sarah Country: United States Category: Calculus Private: No Subject: HELP! MATH!A ... | |
| Summations - telescoping | 9/17/2009 |
| Q: 100 SUM ( 1/(i+4) - 1/(i+5) ) i=25 please help me solve this question. I am confused since there ... A: Questioner: Andrew Country: Ghana Category: Calculus Private: No Subject: Calculus ... | |
| Graph sketching. | 9/17/2009 |
| Q: I was given an assignment and would really appreciate if you can help me with this question. Find ... A: Questioner: Stella Country: Singapore Category: Calculus Private: No Subject: Finding the ... | |
| Basic substitution. | 9/16/2009 |
| Q: Find The Functions f(g(x)), g(f(x)), f(f(x)), g(g(x)) and their domains. f(x)=2x^2-x g(x)= 3x+2 A: Questioner: patty Country: United States Category: Calculus Private: No Subject: calculusFind ... | |
| Limits | 9/13/2009 |
| Q: im just asking for clarification if you have lim x approaching infinity (x.tan(1/x)) and you l ... A: Of course it is. 1 Indeed, 1 * - = 1 1 Sorry about that. And, yes, ... | |
| Limits | 9/12/2009 |
| Q: im just asking for clarification if you have lim x approaching infinity (x.tan(1/x)) and you l ... A: Questioner: Aaron Country: United States Category: Calculus Private: No Subject: Calculus BC ... | |
| Domain and Range | 9/10/2009 |
| Q: I got a question for you, may you help me? I need to know usages of function f(x) = ln(x) whose use ... A: Questioner: Gaston Country: Argentina Category: Calculus Private: No Subject: Domain and Image ... | |
| Difference quotient | 9/10/2009 |
| Q: All my attempts to solve this problem have failed so I hope you can assist me. If f(x) = x^3, ... A: Questioner: Ntokozo Country: Canada Category: Calculus Private: No Subject: Calculus ... | |
| Continuous functions | 9/8/2009 |
| Q: I was wondering if you can explain to me how does one know if a function is defined? My professor ... A: Questioner: Dyanne Country: United States Category: Calculus Private: No Subject: Survey of ... | |
| Maximum-minimum problems | 9/8/2009 |
| Q: A movie screen on a wall is 20ft high and 10ft above the floor. At what distance x from the front of ... A: Questioner: Patrick Country: United States Category: Calculus Private: No Subject: Optimization ... | |
| An indefinite integration | 9/7/2009 |
| Q: I have the function x^4(3x^5+4)^7, and need to find the indefinite integral of this function. I ... A: Questioner: Alec Country: United States Category: Calculus Private: No Subject: An indefinite ... | |
| functions and absolute value | 9/7/2009 |
| Q: How is the graph of y = f(abs(x)) related to the graph of f? A: Questioner: Maria Country: United States Category: Calculus Private: No Subject: functions and ... | |
| Related rates | 9/7/2009 |
| Q: As a car transverses a viaduct at the rate of 40 ft/sec, another traveling at a speed of 80 ft/sec ... A: Questioner: Erwin Category: Calculus Private: No Subject: time ratesAs a car transverses a ... | |
| Absolute value function | 9/5/2009 |
| Q: I am asked to find the definite integral of |x|/x -1<=x<=8 The book answ is 7 I find 9 Not sure ... A: Questioner: Mark Country: United States Category: Calculus Private: No Subject: Integral of |x|I ... | |
| Exponential growth function | 9/3/2009 |
| Q: How do you figure out: Q(t) - 410e^0.0035t where t is measured in minutes a)what quantity is ... A: Questioner: Sally Country: United States Category: Calculus Private: No Subject: Exponential ... | |
| Area of a triangle. | 9/1/2009 |
| Q: For any t > or = to 0, let A(t) be the area of the right triangle bounded above by the line y=x, ... A: Questioner: Jeff Country: United States Category: Calculus Private: No Subject: Summer AP Calc ... | |
| Limit law proof problem | 8/30/2009 |
| Q: =) I have a problem with the limit laws in Calculus. I don't understand one point in the product ... A: Questioner: Jonne Country: Finland Category: Calculus Private: No Subject: Limit law proof ... | |
| Maclaurin series expansion | 8/30/2009 |
| Q: Using the Maclaurin series expansion of e^x a)determine the Maclaurin series expansion fo x/(e^x-1) ... A: i understand up to here: 1 ---------------------------------- 1 + x/2! + x^2/3! + ... | |
| Maclaurin series expansion | 8/29/2009 |
| Q: Using the Maclaurin series expansion of e^x a)determine the Maclaurin series expansion fo x/(e^x-1) ... A: Questioner: Liv Country: Australia Category: Calculus Private: No Subject: Maclaurin series ... | |
| Finding a derivative | 8/28/2009 |
| Q: Yeah, right. Please disregard my previous question. Please confirm if this is correct. If ... A: Questioner: Libby Country: Singapore Category: Calculus Private: No Subject: Finding a ... | |
| Maximum-minimum problems | 8/27/2009 |
| Q: Given a 8.5x11 sheet of paper i cut off 2 inches squares out of the corners giving me the dimensions ... A: Questioner: Annie Country: United States Category: Calculus Private: Yes <<< Don't do this. ... | |
| Differential equation | 8/27/2009 |
| Q: How do i go about finding the general solution to dy/dx=2cosxe^(2/3sinx)y^2/3 giving solution in ... A: Questioner: Don Country: United Kingdom Category: Calculus Private: No Subject: CalculusHow do i ... | |
| Finding Derivatives | 8/27/2009 |
| Q: I'm in Calculus 1, and I'm just learning to find derivitives. I came across the following problem: ... A: Questioner: Rebecca Country: United States Category: Calculus Private: No Subject: Finding ... | |
| Binomial expansion - infinite | 8/26/2009 |
| Q: What is the Maclaurin series for (1+x)^n also known as binomial series? Can you derive that ... A: Questioner: katia Country: United States Category: Calculus Private: No Subject: MathHi Paul, ... | |
| tangent lines | 8/25/2009 |
| Q: can you find the slope of the tangent line on the curve at a given point. y=3x^2-4 : (-1,-1) ... A: Questioner: sean Country: United States Category: Calculus Private: No Subject: tangent linescan ... | |
| Integration methods. | 8/24/2009 |
| Q: I am a senior in AP Calculus BC and I am doing my summer assignment. I got stuck on this problem ... A: Questioner: Courtney Country: United States Category: Calculus Private: No Subject: Indefinite ... | |
| Maximum-minimum cylinder | 8/23/2009 |
| Q: the problem is as follows: I need to design a can for a sports drink that will minimize the amount ... A: Questioner: Jake Country: United States Category: Calculus Private: No Subject: calculus ... | |
| Function notation | 8/21/2009 |
| Q: "I have five questions for you. I am in the process of taking pre calculus, but cannot find the ... A: Questioner: Hayley Country: United States Category: Calculus Private: No Subject: Pre ... | |
| partial derivatives | 8/21/2009 |
| Q: Show that if z=x^nf(u), where u=y/x, then x∂z/∂x + y∂z/∂y = nz A: Questioner: CW Country: Singapore Category: Calculus Private: No Subject: CalculusShow that if ... | |
| Area under a curve. | 8/20/2009 |
| Q: integrate the square root of 16-x^2 dx from -4 to 4 and x=4sin u A: Questioner: Anna Country: South Africa Category: Calculus Private: No Subject: Integration by ... | |
| Function notation | 8/20/2009 |
| Q: I have an assignment for class and it requires me to answer the followingSolve the following: (a) ... A: Questioner: Sana Country: Canada Category: Calculus Private: No Subject: CalculusHi, I have an ... | |
| Integration methods. | 8/19/2009 |
| Q: Integral x^3.e^(x/3)dx Intergral 2x-5/((x-2)(2x+1) dx Integral 2/(square-root(20-x^2) dx ... A: Questioner: min nyo Country: Australia Category: Calculus Private: No Subject: need help with ... | |
| Integration methods. | 8/18/2009 |
| Q: Find ∫(1/(e^x+ 4[e]^(-x) )dx, by means of the substitution u=e^x, followed by another ... A: Questioner: Steven Category: Calculus Private: No Subject: Maths - Integration by SubtitionsFind ... | |
| Maximum-minimum problems | 8/18/2009 |
| Q: A track 400m in length is to enclose a rectangular playing fiel. If the curved portions of the track ... A: Questioner: Tim Private: no Subject:A track 400m in length is to enclose a rectangular playing ... | |
| Limits of Improper Integral | 8/16/2009 |
| Q: I was asked only to integrate the integral. However I want to take one step further & determine if ... A: OK, your integral integrates to: 2sqrt(1 + ln x) + ln([sqrt(1 + ln x) - 1]/[sqrt(1 + ln x) + 1]) ... | |
| Max Min problem correction | 8/15/2009 |
| Q: Klarreich Regarding the question that was posted on a max and min problem, i am slightly confused ... A: Questioner: hindude Country: United States Category: Calculus Private: No Subject: Max Min ... | |
| Partial fractions | 8/14/2009 |
| Q: Please evaluate the integral of x - 1/x(x + 5) dx using the partial fractions method.. thankyou A: Questioner: heather Country: Papua New Guinea Category: Calculus Private: Yes << DON'T DO THIS. ... | |
| Foundations | 8/13/2009 |
| Q: proof that one upon zero is equal to infinity? A: Questioner: abrar ahmed Country: Pakistan Category: Calculus Private: No Subject: mathproof that ... | |
| Integral with variable boundary. | 8/12/2009 |
| Q: I'm having trouble with this integral, because I'm not sure what do do since the upper limit is a ... A: Questioner: Amy Country: United States Category: Calculus Private: No Subject: Calculus- ... | |
| Tangent lines | 8/11/2009 |
| Q: Please explain it so I understand The curve y=ax^2 + bx+c passes through the point (1,6). The ... A: Questioner: elle santy Country: Australia Category: Calculus Private: No Subject: calculusPlease ... | |
| maths | 8/10/2009 |
| Q: Integral and solution please? i have been asked to use g'(x)= 1/38(2-3sinx-2sin^2*x)exp(2/3sinx) and ... A: Questioner: jaymin patel Country: United Kingdom Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problems | 8/10/2009 |
| Q: I'm trying to teach myself calculus over the summer and am having a tough time with this question ... A: Questioner: James Category: Calculus Private: no Subject: Calculus- Minimum QuestionHi ... | |
| Maximization in two dimensions. | 8/7/2009 |
| Q: I'm not sure how to set up the following word problem. I know that once I've got an appropriate ... A: Questioner: Drew Country: United States Category: Calculus Private: No Subject: volume ... | |
| Parametric & Exponential equations. | 8/6/2009 |
| Q: I'm studying calculus ABC, and the section would be functions & logarithms & parametric equations. ... A: Questioner: Jaye Country: United States Category: Calculus Private: No Subject: Parametric & ... | |
| Implicit differentiation. | 8/5/2009 |
| Q: find dy/dx by implicit differentation... x+ln y=x^2y^6 A: Questioner: Clint Country: United States Category: Calculus Private: No Subject: calculus with ... | |
| e | 8/5/2009 |
| Q: good morning how are you ? what is the information about the number e A: Questioner: kalledalhamed Country: Syrian Arab Republic Category: Calculus Private: No Subject: ... | |
| Related rates | 8/4/2009 |
| Q: Water is being collected from a block of ice with a square base. The water is produced because the ... A: Questioner: Evan Country: United States Category: Calculus Private: No Subject: Calculus ... | |
| Basic derivative applications | 8/3/2009 |
| Q: I am in Calculus 131 in MIddlesex County College. 4 Calculus Questions that I do not understand. Can ... A: Questioner: Anil Country: United States Category: Calculus Private: No Subject: 4 Hard Calc ... | |
| Parametric equations. Second Derivative | 8/2/2009 |
| Q: I disagree with the books final answer. The books answer is 2/e^t(cos t - sin t) I belive the answer ... A: Questioner: Mark Country: United States Category: Calculus Private: No Subject: Parametric ... | |
| Implicit differentiation. | 7/31/2009 |
| Q: A curve has equation(x+1)^2 (y+2)sin x+(x+1)(y+2)^2cos x=4.Show that the curve passes through (0,0) ... A: Questioner: Lucilla Joyce Country: Norway Category: Calculus Private: No Subject: ... | |
| Integration of Sec(x)dx | 7/30/2009 |
| Q: I have a question about the Integration of Sec(x)dx which is: ln|sec(x)+tan(x)| sec(x)=sec(-x) for ... A: Questioner: jan Country: Netherlands Category: Calculus Private: No Subject: Integration of ... | |
| Related rates | 7/30/2009 |
| Q: I was helping this person with a question on Yahoo! Answers: Water is flowing into a hemispherical ... A: Questioner: Jason Country: United States Category: Calculus Private: No Subject: Help with this ... | |
| Integration methods. | 7/27/2009 |
| Q: Can you tell me, can i use integration by part or u sub for 2secX/2+tanX, or both, i cant find ... A: Questioner: Dave Country: United Kingdom Category: Calculus Private: No Subject: integrationCan ... | |
| Convergence of series | 7/27/2009 |
| Q: Let the sum of 'a sub n' from n=1 to infinity be a real series that converges. Which of the ... A: Questioner: Jason Country: United States Category: Calculus Private: No Subject: ConvergenceLet ... | |
| Maximum-minimum problems | 7/26/2009 |
| Q: A small business uses a minivan to make deliveries. The cost per hour for fuel is F= (v^2) / 360, ... A: Questioner: Robert Country: United States Category: Calculus Private: No Subject: Minimum Cost ... | |
| Trigonometric equation,phase angle | 7/26/2009 |
| Q: I'm taking CIE A LEVEL MATHEMATICS and this question is in the pure mathematics trigonometry topic. ... A: Questioner: Warm Country: China Category: Calculus Private: No Subject: Double angleI'm taking ... | |
| Integration methods. | 7/25/2009 |
| Q: can you help me integrate (arctan x)/1+x^2? I would be most pleased, I have f(x)=arctan x ... A: Questioner: Dave Country: United Kingdom Category: Calculus Private: No Subject: integrationcan ... | |
| Differential of a function | 7/25/2009 |
| Q: It has been a LONG time since I have done this stuff. Can you walk me thru how to do this please? ... A: Suppose f and g are both discontinuous at a. Is the sum of f+g necessarily discontinuous at a? ... | |
| Differential of a function | 7/24/2009 |
| Q: It has been a LONG time since I have done this stuff. Can you walk me thru how to do this please? ... A: Questioner: Callie Country: United States Category: Calculus Private: No Subject: Differential ... | |
| integral | 7/21/2009 |
| Q: what is the integration of e^2x * cos-1 x A: Questioner: satish Country: India Category: Calculus Private: No Subject: integral ... | |
| Integration methods. | 7/21/2009 |
| Q: Integrate from 0 to -3 the function [4t (dt)]/(1 - t)^(1/2) A: Questioner: Elaine Country: United States Category: Calculus Private: No Subject: ... | |
| math - please help | 7/9/2009 |
| Q: Team currently has 172 stars. We need 560 to achieve a team goal. I am in NZ it is now 10th July, ... A: Questioner: Tim Country: New Zealand Category: Calculus Private: Yes Subject: math - ... | |
| Graph sketching. | 7/1/2009 |
| Q: I'm having a hard time figuring out this problem... X^2/1-x... trying to find the relative max and ... A: Questioner: Brandon Country: United States Category: Calculus Private: No Subject: ... | |
| Calculus | 6/21/2009 |
| Q: What are the values of C_0 and C_1 in d(t) = C_1 + C_0 t - 16t^2, if d(1) = 4 and v(2) = -65? A) ... A: Questioner: Blanca Country: United States Category: Calculus Private: No Subject: ... | |
| HELP IN CALCULUS | 6/21/2009 |
| Q: Mathematically, what is a differential? A) A gear box on the back end of your car. B) A word used a ... A: Questioner: Blanca Country: United States Category: Calculus Private: No Subject: HELP ... | |
| Trigonometric functions | 6/20/2009 |
| Q: answering these problems. I believe they have to be verified using the pythagorean identities (i ... A: Questioner: Veronica Country: Philippines Category: Calculus Private: No Subject: ... | |
| The standard distribution | 6/17/2009 |
| Q: I don't know what catergory to ask this in but I cannot figure out how to do this statistical ... A: Questioner: Jordan Country: United States Category: Calculus Private: No Subject: ... | |
| Integration_Calculus | 6/14/2009 |
| Q: I'm stuck on this integral: (from -infinity to infinity) | e^(isx).ln[(e^2x + e^x + 1)/(e^2x - e^x ... A: Questioner: Siva Country: United Kingdom Category: Calculus Private: No Subject: ... | |
| Max/Min Problem | 6/14/2009 |
| Q: Greetings, I really don't understand how to do this problem. If you could possibly do this problem ... A: Questioner: Michael Country: United States Category: Calculus Private: No Subject: ... | |
| Arc Length of Parametric Curve | 6/9/2009 |
| Q: I am asked to find the arc length of the parametric curve x=2sin(t) & y=cos(2t) 0<=t<=pi/3 I ... A: x=2sin(t) & y=cos(2t) 0<=t<=pi/3 ds = sqrt( dx^2 + dy^2) dx = 2 cos t dt dy = - 2 sin(2t) dt ds ... | |
| Differential equation | 5/12/2009 |
| Q: The suspension in a car acts like damped harmonic oscillator,that is the oscillations in the ... A: Questioner: mike Country: Australia Category: Calculus Private: No Subject: differential ... | |
| Implicit differentiation | 5/11/2009 |
| Q: Can you please help me with this problem, Use implicit differentiation to show that the equation of ... A: Questioner: Mario Hernandez Country: United States Category: Calculus Private: No ... | |
| Chain rule | 5/9/2009 |
| Q: I am trying to solve find the derivative of arccos ((1-x)/(1+x)) I can not solve this. Could you ... A: Questioner: Ignacio Country: Spain Category: Calculus Private: No ---------- FOLLOW-UP ... | |
| Chain rule | 5/8/2009 |
| Q: I am trying to solve find the derivative of arccos ((1-x)/(1+x)) I can not solve this. Could you ... A: Questioner: Ignacio Country: Spain Category: Calculus Private: No ---------- FOLLOW-UP ... | |
| Chain rule | 5/8/2009 |
| Q: I am trying to solve find the derivative of arccos ((1-x)/(1+x)) I can not solve this. Could you ... A: Questioner: Ignacio Country: Spain Category: Calculus Private: No Subject: Inverse ... | |
| Perpendicular lines | 5/6/2009 |
| Q: consider line: 2x+y+4=0 find the equation of line perpendicular to above line, passing through ... A: Questioner: olivia Country: United States Category: Calculus Private: No Subject: calc ... | |
| The Probability Integral | 5/6/2009 |
| Q: Paul, I have a question on integration, but I could not solve it, not my maths school teacher, no ... A: Questioner: MOHIT Country: India Category: Calculus Private: No Subject: A typical ... | |
| Angles of any size. | 5/5/2009 |
| Q: What angle is between 0 degrees and 360 degrees and coterminal to 1527 degrees? In which quadrant ... A: Questioner: karen Country: United States Category: Calculus Private: No Subject: ... | |
| Limits at infinity. | 5/4/2009 |
| Q: piecewise function is: f(x)= (4/(e^x-1) if x<=1 sqrt(3x^2+1)/(x-2) if x>1 a) ... A: Questioner: ray Country: United States Category: Calculus Private: No Subject: ... | |
| Area under a curve. | 5/2/2009 |
| Q: An arched window with base width 2b and height h is set into a wall. The arch is to be either an arc ... A: Questioner: Jeanne Country: United States Category: Calculus Private: No Subject: ... | |
| Average value | 5/2/2009 |
| Q: Let f(x) = (14 π)x^2 and g(x)= k^2sin(pi x/2k) for k>0 a. Find the average value of f on ... A: Questioner: Jeanne Country: United States Category: Calculus Private: No Subject: Mean ... | |
| Product rules | 5/2/2009 |
| Q: 1.how do I do, find f'(x) f(x)=4xsinxcosx 2. how do I find f'(x) of f(x)=2secx+2(e^x)tanx and ... A: Questioner: ray Country: United States Category: Calculus Private: No Subject: ... | |
| Basic trigonometry. | 5/1/2009 |
| Q: The problem says: A lighthouse in Delaware Bay is known to be 120 feet tall. You use your sextant ... A: Questioner: jamal Country: United States Category: Calculus Private: No Subject: math ... | |
| Limit of a sum | 5/1/2009 |
| Q: Find the limit as n approaches infinty An = 1/n2 + 2/n2 + 3/n2 + … + n/n2 A: Questioner: Michael Tadesse Country: Ethiopia Category: Calculus Private: No Subject: ... | |
| Trigonometric limit | 4/30/2009 |
| Q: So I have a worksheet that is just to help us get started before we start our next lesson and I was ... A: Questioner: ray Country: United States Category: Calculus Private: No Subject: just some ... | |
| limits of oscillating series | 4/29/2009 |
| Q: If you have an oscillating function that is approaching 0 at infinity but it jumping back and forth ... A: Questioner: Sandi Country: United States Category: Calculus Private: No Subject: limits ... | |
| limits | 4/29/2009 |
| Q: piecewise function is: f(x)= (4/(e^x-1) if x<=1 sqrt(3x^2+1)/(x-2) if x>1 a) ... A: Questioner: ray Country: United States Category: Calculus Private: No Subject: ... | |
| Slope of the Tangent | 4/28/2009 |
| Q: I am having a huge problem with this question, I am not sure if all I have to do is find the ... A: Questioner: Dorothy Country: Canada Category: Calculus Private: Yes << CHANGED. Subject: ... | |
| Math Calculus Qs..thanks you | 4/28/2009 |
| Q: 1. Find the dimensions of the largest rectangle whose perimeter is 3200 feet. (Enter the dimensions ... A: Lily, Some other expert sent this to the question pool. I am sure it is because you just dumped ... | |
| Double-angle identities | 4/27/2009 |
| Q: im having a bit of trouble with this trigonometry proofUsing the two identities: ... A: Questioner: rachel Country: Australia Category: Calculus Private: No Subject: ... | |
| Mean of means | 4/24/2009 |
| Q: I have a problem with a maths homework question. If you know the average duration (in days) a large ... A: Questioner: Marc Country: United Kingdom Category: Calculus Private: No Subject: ... | |
| Integration | 3/28/2009 |
| Q: Sorry, the sqrt sign abd multiplication sign on my question came back as ascii code. Here it is ... A: Questioner: Brian Country: United States Category: Calculus Private: No Subject: ... | |
| Integration Tables | 3/28/2009 |
| Q: How would you approach evaluating this integral? intergaral of √(csc x)∙cot^3 x dx I ... A: Questioner: Brian Country: United States Category: Calculus Private: No Subject: ... | |
| Related rates | 3/27/2009 |
| Q: An air traffic controller spots two planes at the same altitude converging on a point as they fly at ... A: Questioner: Neka Country: Bahamas Category: Calculus Private: No Subject: related ... | |
| Implicit differentiation | 3/25/2009 |
| Q: Determine the slope of -y3 + 2x2 = -6 when x = 1 and y = 2. A: Questioner: Luis Uribe Country: United States Category: Calculus Private: No Subject: ... | |
| Graph sketching | 3/23/2009 |
| Q: Will you please help me figure out these things I cant figure them out. Thank you so much. given ... A: Questioner: cornelius Country: United States Category: Calculus Private: No Subject: ... | |
| Maximum-minimum problem | 3/22/2009 |
| Q: Henry, who is in a rowboat A 2 miles from the nearest point B on a straight shoreline, notices smoke ... A: Questioner: Neka Country: Bahamas Category: Calculus Private: No Subject: Min/Max ... | |
| Maximum-minimum problem | 3/22/2009 |
| Q: A farmer has 1000yd. of fence that he wishes to use to fence off a rectangular plot along the ... A: Questioner: Neka Country: Bahamas Category: Calculus Private: No Subject: Min/Max ... | |
| Related Rates | 3/22/2009 |
| Q: A ladder 15 feet long is leaning against a building so that end X is on level ground and end Y is on ... A: Questioner: Jeanne Country: United States Category: Calculus Private: No Subject: ... | |
| Integration of trig functions | 3/21/2009 |
| Q: My question is how do you integrate this thing: (2sinθ +1)^3 Do you first expand the whole ... A: Questioner: nyasha Private: no Subject:Hello Paul Klarreich. My question is how do you integrate ... | |
| expansion and series of factorial | 3/20/2009 |
| Q: 5. The sum: 1/(1!2009!) + 1/(3!2007!) + 1/(5!2005!) + ... + 1/(2005!5!) + 1/(2007!3!) + 1/(2009!1!) ... A: Questioner: maegan Country: Philippines Category: Calculus Private: No Subject: ... | |
| Integration of trig functions | 3/20/2009 |
| Q: My question is how do you integrate this thing: (2sinθ +1)^3 Do you first expand the whole ... A: Subject: Integration of trig functionsHello Paul Klarreich. My question is how do you integrate ... | |
| Partial derivative, differentiability | 3/19/2009 |
| Q: I am Ssa. 1. For a function f(x,y) to be differentiable, its partial derivatives have to be defined ... A: Questioner: Ssa Country: Singapore Category: Calculus Private: No Subject: Partial ... | |
| continuity | 3/18/2009 |
| Q: I am Ssa. Is it right to say that if a limit of the function does not exist, it means the function ... A: Questioner: ssa Country: Singapore Category: Calculus Private: No Subject: continuityHi, ... | |
| Natural log. | 3/16/2009 |
| Q: Differentiate the Function : h(x)=ln(x+SQUARE ROOT(x^2-1) Evaluate the Integral from 1to2 using ... A: Questioner: Rachel Guyer Category: Calculus Private: No Subject: Calculus ... | |
| Help! | 3/16/2009 |
| Q: I was wondering if you can please help me find the solutions to these 5 problems i have ... A: Questioner: Sarah Category: Calculus Private: Yes Subject: Help!Hello, I was wondering if ... | |
| Related Rates | 3/12/2009 |
| Q: A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 ... A: Questioner: James Category: Calculus Private: No Subject: Related RatesA spherical ... | |
| Linear equations | 3/12/2009 |
| Q: could you please explain how to graph y - x = 0 y + 3x = -4 A: Questioner: alyssa Category: Calculus Private: No Subject: math acould you please explain ... | |
| Related Rates | 3/11/2009 |
| Q: A balloon is rising at a constant speed of 5 ft/sec. A boy is cycling along a straight road at a ... A: Questioner: James Category: Calculus Private: No Subject: Related RatesA balloon is rising ... | |
| Basic trigonometry. | 3/11/2009 |
| Q: Laura Bernett is 5 ft-4 inches tall. She stands 14 feet from a streetlight and casts a 10-foot-long ... A: Questioner: ray Category: Calculus Private: No Subject: hiLaura Bernett is 5 ft-4 inches ... | |
| Law of Cosines | 3/11/2009 |
| Q: So the question i have is about this problem. Find the angles of the triangle whose vertices are ... A: Questioner: ray Category: Calculus Private: No Subject: cannot figure this out..So the ... | |
| Trigonometic equation | 3/10/2009 |
| Q: I don't know how to solve this all i need is one solution the problem is cos2x=-1 plese solve this ... A: Questioner: jamal Category: Calculus Private: No Subject: Pre-Calc ProblemI don't know how ... | |
| Law of Sines | 3/10/2009 |
| Q: how do i solve the triangle?? and law of cosine might be needed for this... as the question states.. ... A: Questioner: ray Category: Calculus Private: No Subject: hihow do i solve the triangle?? ... | |
| MacLaurin series | 3/9/2009 |
| Q: I'm given the Mclaurin series for sinx (x-x^3/3+x^5/5....) and I have to use that given series to ... A: Questioner: Robyn Category: Calculus Private: No Subject: Evaluating indefinite integral ... | |
| absolute value function | 3/8/2009 |
| Q: This is a very basic and fast question, but it has a little twist so I just wanted to be sure my ... A: Questioner: Linrosa Category: Calculus Private: No Subject: Continuity of a derivative of ... | |
| mean value | 3/7/2009 |
| Q: Let F be the function by f(x)=x^3+ax^2+bx+c and having the following properties: (i) The graph of f ... A: Questioner: Linrosa Category: Calculus Private: No Subject: Finding Values from points of ... | |
| Points on a curve | 3/6/2009 |
| Q: How do l find all points on this curve for which x=0: In(x^2+y^2)=2arcsin(x/y) ANSWER: Questioner: ... A: Sorry -- correction posted. Questioner: Nyasha Category: Calculus Private: No Subject: ... | |
| Integration | 3/6/2009 |
| Q: I don't understand why, when you take the definite integral of the function (1000-10x^2) on the ... A: Questioner: Mel Category: Calculus Private: No Subject: IntegrationHi, I don't understand ... | |
| Points on a curve | 3/6/2009 |
| Q: How do l find all points on this curve for which x=0: In(x^2+y^2)=2arcsin(x/y) A: Questioner: Nyasha Category: Calculus Private: No Subject: Points on a curveHello Paul. ... | |
| slope of a tangent line | 3/5/2009 |
| Q: A tangent to the parabola y = 3x^2 - 7x + 5 is perpendicular to x + 5y - 10 = 0. Determine the ... A: Questioner: Navid Category: Calculus Private: No Subject: slope of a TangentA tangent to ... | |
| Related rates | 3/2/2009 |
| Q: the area of a rectangular box is 150cm sqar two parallel sides of the rectangle are lengthened at ... A: Questioner: ronan.kelleher Category: Calculus Private: No Subject: rates of changethe area ... | |
| Maximum-minimum problem | 3/1/2009 |
| Q: Can you help me solve this? A farmer wishes to fence in 10,000 sq ft of land. The fense will ... A: Questioner: Dan Category: Calculus Private: No Subject: Min-Max Word problemCan you help ... | |
| Verify the Identity | 2/27/2009 |
| Q: Sin (a + b + c) + sin (a - b - c) tan b tan c - 1 --------------------------------- = ... A: Questioner: Michael Category: Calculus Private: Yes Subject: Verify the IdentitySin (a + b ... | |
| Trigonometric identity | 2/26/2009 |
| Q: cos 5x cos 3x + sin 5x sin 3x / sin 3x - sin x = csc x / 2 A: Questioner: Philli Category: Calculus Private: No Subject: Identitiescos 5x cos 3x + sin ... | |
| Domain and range | 2/26/2009 |
| Q: Consider this function [3x-1/2x) on restricted domain D={x|x<0}. Find the range of this function on ... A: Questioner: Heneri Category: Calculus Private: No Subject: Function inverse ????Consider ... | |
| polar form | 2/25/2009 |
| Q: Express the number in polar form. (Give your angle measure as a value θ(greater than of equal ... A: Questioner: ray Category: Calculus Private: No Subject: polar formExpress the number in ... | |
| calculus | 2/25/2009 |
| Q: a 10 ft chain weighs 25 lb. and hangs from a ceiling. Find the work done (in ft-lb) in lifting the ... A: Questioner: Daniel Private: no Subject:a 10 ft chain weighs 25 lb. and hangs from a ceiling. Find ... | |
| Trigonometric identity | 2/25/2009 |
| Q: verify the identity: 1.sinxcos^3x - cosxsin^3x = 1/4sin4x 2.sin(a+b+c) + sin(a-b-c)/cos(a+b+c) - ... A: Questioner: Lauren Category: Calculus Private: No Subject: Trig Identitiesverify the ... | |
| Integration | 2/23/2009 |
| Q: Find the average value of the function over the given interval and all values of x in the interval ... A: Questioner: Melanie Category: Calculus Private: No Subject: IntegrationFind the average ... | |
| Centroid | 2/22/2009 |
| Q: Consider the thin plate, of constant density p , which lies above the x-axis and between the two ... A: OK. You are probably correct. Keep in mind that your computation of the centroid looks like ... | |
| Integration | 2/21/2009 |
| Q: I have been working on this integration problem, but I'm not getting anywhere. Could you show me the ... A: Questioner: Scott Category: Calculus Private: No Subject: IntegrationI have been working ... | |
| Applications of Derivatives | 2/21/2009 |
| Q: The spread of a virus is modeled by N=-t^3+12t^2, 0<=t<=12, where N is the number of people ... A: Questioner: Romel Category: Calculus Private: No Subject: Applications of DerivativesThe ... | |
| Gaussian elimination | 2/19/2009 |
| Q: I just don't know how to solve this,the question states that use the gaussian elimination algorithm ... A: Questioner: Andrew Category: Calculus Private: Yes Subject: Gaussian elimination algorithm ... | |
| Integration | 2/19/2009 |
| Q: How do l integrate this : F= ∫ (20cosΘ+ 8sinΘcosΘ)2cosdΘ My attempt: ... A: Questioner: Nyasha Category: Calculus Private: Yes Subject: IntegrationHello Paul, How do ... | |
| Imaginary numbers | 2/18/2009 |
| Q: In the following exercise, perform the indicated operation and write the result in the form a + bi. ... A: Questioner: brooke Category: Calculus Private: No Subject: i'm stuckIn the following ... | |
| fourier series | 2/17/2009 |
| Q: need some help with the following question. Determine the fourier series of the signal f(t) = 1+t/pi ... A: Questioner: keith Category: Calculus Private: No Subject: fourier serieshello paul, need ... | |
| Rate of Change/derivatives | 2/17/2009 |
| Q: I'm having trouble mostly on a). Would rate of change be the derivative of F? If so, I can't seem to ... A: Questioner: Sandy Category: Calculus Private: No Subject: Rate of Change/derivativesHi, ... | |
| Limits at infinity. | 2/16/2009 |
| Q: What is the limit of inverse sine(x/1-2x) as x goes to positive infinity? thanks A: Questioner: sofia Category: Calculus Private: No Subject: calculusWhat is the limit of ... | |
| Centroid | 2/16/2009 |
| Q: Consider the thin plate, of constant density p , which lies above the x-axis and between the two ... A: Questioner: nyasha machoko Category: Calculus Private: No Subject: Area of a an ... | |
| Max and Min, Inflection Points, Symmetry | 2/14/2009 |
| Q: 1.) Determine the following about the graph of the equation y= (8/x^3)-(6/x). a.) Is the graph ... A: Questioner: Linrosa Category: Calculus Private: No Subject: Max and Min, Inflection ... | |
| Tangents, Max & Min | 2/14/2009 |
| Q: 4.) Consider the function f(x)= x^(4/3) + 4x^(1/3) on the interval -8 ≤ x ≤ 8. a.) Find ... A: Questioner: Linrosa Category: Calculus Private: No Subject: Tangents, Max & Min4.) ... | |
| Continuity | 2/12/2009 |
| Q: A swimmer crosses a river starting at point A and ending at point B, following the path shown below. ... A: Questioner: Mona Private: no A swimmer crosses a river starting at point A and ending at point ... | |
| Continuity | 2/12/2009 |
| Q: For each of the following fuinctions from S to R (with f(x) being set to 0 whenever the definition ... A: Questioner: Mona Category: Calculus Private: No Subject: CalculusFor each of the following ... | |
| Trigonometric identity | 2/11/2009 |
| Q: Can you show me the steps to eliminating the parameter to write the foloowing equation in terms of x ... A: Questioner: Angie Category: Calculus Private: No Subject: Trig identitiesCan you show me ... | |
| Inverse trigonometric functions. | 2/10/2009 |
| Q: Find the exact functional value without using a calculator. tan^-1(cos(pi)) Not sure what to do ... A: Questioner: Brooke Category: Calculus Private: No Subject: problem.Find the exact ... | |
| Inverse trigonometric functions. | 2/10/2009 |
| Q: Use factoring, the quadratic formula, or identities to solve the equation. Find all solutions in the ... A: Questioner: brooke Category: Calculus Private: No Subject: question.Use factoring, the ... | |
| Area of a segment | 2/10/2009 |
| Q: Consider a circle of radius r and a central angle of t radians, (0 < t < π), as shown in the ... A: Questioner: brooke Category: Calculus Private: No Subject: question.Consider a circle of ... | |
| Trigonometric identity | 2/9/2009 |
| Q: So i'm having trouble solving this problem. 1. Prove the Identity Sin2x= 1/(tanx+cot2x) ... A: Questioner: brooke Category: Calculus Private: No Subject: proving an identitySo i'm ... | |
| Particle Motion | 2/8/2009 |
| Q: Let f b the function defined for pi/6 ≤ x ≤ 5pi/6 by f(x)=x+ (sin x)^2. c.) Find all ... A: Questioner: Linrosa Category: Calculus Private: No ---------- FOLLOW-UP ----------Thanks so ... | |
| Inflection Points | 2/8/2009 |
| Q: Let f b the function defined for pi/6 ≤ x ≤ 5pi/6 by f(x)=x+ (sin x)^2. c.) Find all ... A: Questioner: Linrosa Category: Calculus Private: No Subject: Inflection PointsLet f b the ... | |
| Trig integral | 2/8/2009 |
| Q: How do we integrate the following question?? $ sqrt(1-cosx)dx A: Questioner: shadi Category: Calculus Private: No Subject: integralHow do we integrate the ... | |
| limits | 2/7/2009 |
| Q: Prove that 2^n does not converge to any limit. A: Questioner: Husneara Category: Calculus Private: No Subject: limitsProve that 2^n does not ... | |
| Differentiating and Integrating Logs | 2/5/2009 |
| Q: 6. Find dy/dx. y= ln (2x/(x+3)) 7. Find dy/dx. y= ln (x^3 + 3x)^3 8. Find the derivative. f(x) = ... A: Questioner: Pag Category: Calculus Private: No Subject: Differentiating and Integrating ... | |
| Translation | 2/2/2009 |
| Q: Find a formula for a translation of f(x)=x^3 that passes through the two points on the graph. ... A: Questioner: Christy Category: Calculus Private: No Subject: TranslationFind a formula for ... | |
| Slope of the Tangent | 2/1/2009 |
| Q: Find the points on the curve y=2/3x-2 where the tangent is parallel to the line y= 3 - x ... A: Questioner: Michael Category: Calculus Private: No Subject: Slope of the TangentFind the ... | |
| Slope of the Tangent | 2/1/2009 |
| Q: Find the points on the curve y=2/3x-2 where the tangent is parallel to the line y= 3 - x ... A: Questioner: Michael Category: Calculus Private: No Subject: Tangent Help PleaseFind the ... | |
| Maximum-minimum problem | 2/1/2009 |
| Q: the infield of a 440 yard track consists of a rectangle and 2 semicircles. to what dimensions should ... A: Questioner: amanda Category: Calculus Private: No Subject: max-min optimizationthe infield ... | |
| Set-builder Notation | 1/31/2009 |
| Q: How would you write "The set of all calculus books" in set-builder notation? Is it {x|x is a ... A: Questioner: Jenny Category: Calculus Private: No Subject: Set-builder NotationHow would ... | |
| Set-builder Notation | 1/31/2009 |
| Q: How would you write "The set of all calculus books" in set-builder notation? Is it {x|x is a ... A: Questioner: Jenny Category: Calculus Private: No Subject: Set-builder NotationHow would ... | |
| Calculus | 1/19/2009 |
| Q: Apply implicit differentiation to find the max. and min. points on the graph of x^2 + 4y^2 - 2x - ... A: Steel, Why not start with some algebraic work, like completing the square? x^2 + 4y^2 - 2x - 16y + ... | |
| Sine and cosine graphs. | 12/19/2008 |
| Q: the population of a clownfish around a certain reef varies sinusoidally. at a time 2.4 yrs into the ... A: Questioner: cheryl johnson Category: Calculus Private: No Subject: pre calcthe population ... | |
| integration | 12/16/2008 |
| Q: solve integration root tanx divided by sinx cosx A: { SQRT(tan x) dx | ----------- } sin x cos x { tan x dx | ----------------------- } sqrt(tan x) ... | |
| vector proof | 12/15/2008 |
| Q: Klarreich, thank you so much for helping me with my last calculus question. Well, i have another ... A: Questioner: sinclair Category: Calculus Subject: vector proofHello Mr.Klarreich, thank you ... | |
| Implicit differentiation. | 12/14/2008 |
| Q: let y = f(x) be the continuous function that satisfies the equation x^4 - 5(x^2)(y^2) + 4y^4 = 0 ... A: Questioner: Chris Category: Calculus Private: No Subject: Calculus curve and derivativelet ... | |
| Maximum-minimum problem. | 12/14/2008 |
| Q: A rectangle ABCD with sides parallel to the coordinate axes is inscribed in the region enclosed by ... A: Questioner: Kathleen Category: Calculus Private: No Subject: AP Calculus-max and minA ... | |
| Maximum-minimum problem. | 12/11/2008 |
| Q: I don't know what I should use for my primary equation and secondary equation because the dimensions ... A: Questioner: ryan Private: no Subject:Hi I'm having trouble getting started on this question.I ... | |
| Maximum-minimum problem. | 12/11/2008 |
| Q: I don't know what I should use for my primary equation and secondary equation because the dimensions ... A: Questioner: ryan Category: Calculus Private: No Subject: optimization problems, first year ... | |
| Maximum-minimum problem. | 12/11/2008 |
| Q: Fruit Juice will be packaged in cylindrical cans with a volume of 40 in^3 each. The top and bottom ... A: Questioner: Jamie Category: Calculus Private: No Subject: Calculus Minimum CostFruit Juice ... | |
| Basic differentiation. | 12/10/2008 |
| Q: 2. A) Use calculus methods to find the turning points of the function F(x) =4x3-3x2-6x+2 and ... A: Questioner: Emer Category: Calculus Private: No Subject: Mathematical methods for ... | |
| Integration by Parts | 12/8/2008 |
| Q: I am stuck on an integration problem. Your help would be most welcome. Int[(arctanx)/x^2)] Thanks ... A: Questioner: Anson Category: Calculus Private: No Subject: CalculusHi I am stuck on an ... | |
| Indefinite integral | 12/7/2008 |
| Q: Given that the graph of f(x) passes through the point (4,6) and that the slope of its tangent line ... A: Questioner: Elliott Category: Calculus Private: No Subject: CalculusGiven that the graph ... | |
| Implicit differentation | 12/7/2008 |
| Q: cos(x+y) + sin (x-y) = 0 @ (pi/4, -pi/4) The answer is y = - 3(x - 1). (4) (1 + y')cos(x + y) - (1 ... A: Questioner: Marcel Lane Category: Calculus Private: No Subject: implicit ... | |
| Inverse trig functions | 12/6/2008 |
| Q: arccos(cos7π/2)= π/2. can you explain how do we get π/2? A: Questioner: Steve Category: Calculus Private: Yes Subject: inverse ... | |
| Lagrange multipliers - Max/min | 12/5/2008 |
| Q: Paul, I'm having a bit of trouble applying the Lagrange multiplier method to the following problem: ... A: Questioner: Scott Category: Calculus Private: No Subject: Lagrange multipliers - Surface ... | |
| Critical points | 12/3/2008 |
| Q: Identify the critical point and determine the local extreme values... y=x(4-x^2)^(1/2) I tried ... A: Questioner: Grace Category: Calculus Private: No Subject: Max-min critical pointsIdentify ... | |
| infinite series | 12/2/2008 |
| Q: Evaluate the integral (e^x-1)/x as an infinite series using sigma notation A: Questioner: michael Category: Calculus Private: No Subject: infinite seriesEvaluate the ... | |
| Min/Max problem | 12/2/2008 |
| Q: Find the point(s) on the hyperbola x²-y²=4 that is closest to the point (1,3). ANSWER: Questioner: ... A: Questioner: Eric Private: no Subject:Find the point(s) on the hyperbola x²-y²=4 that is closest ... | |
| Min/Max problem | 12/2/2008 |
| Q: Find the point(s) on the hyperbola x²-y²=4 that is closest to the point (1,3). A: Questioner: Eric Category: Calculus Private: No Subject: Min/Max problemFind the point(s) ... | |
| Rate-time problem. | 12/1/2008 |
| Q: John could play 5 holes of golf in 20 minutes and Allan could play 6 holes in 30 minutes. How many ... A: Questioner: Keli Category: Calculus Private: No Subject: Pre-calc word problemJohn could ... | |
| Basic differentiation. | 12/1/2008 |
| Q: let x=(tan s)/(1+tan s) find the derivative A: Questioner: Ashley Category: Calculus Private: Yes Subject: calculus 1 -derivativeslet ... | |
| Basic integrals. | 12/1/2008 |
| Q: Carla Music Company estimates that the marginal cost of manufacturing its professional series guitar ... A: Questioner: blaine Category: Calculus Private: No Subject: CalculusCarla Music Company ... | |
| Chain Rule | 11/30/2008 |
| Q: A point moves along the curve y=x^2 + 1 in such a way that when x=4, the x coordinate is increasing ... A: Questioner: Charlene Category: Calculus Subject: calculus; derivativesA point moves along ... | |
| Basic curve sketching with derivatives. | 11/29/2008 |
| Q: Given the function f(x)=e^-x^2 (a). Find the derivative of f (b). Find the critical values (c). ... A: Questioner: melissa Category: Calculus Private: No Subject: Calculus questionGiven the ... | |
| Maximum-minimum problem. | 11/29/2008 |
| Q: A commercial cattle ranch currently allows 20 steers per acre of grazing land. On average the steers ... A: Questioner: Max Category: Calculus Private: No Subject: Min/Max problemA commercial cattle ... | |
| Maximum-minimum problem. | 11/29/2008 |
| Q: Find the maximum possible area of an isosceles triangle where the two equal sides are both 6 cm ... A: Questioner: Eric Category: Calculus Private: No Subject: Min/Max problemFind the maximum ... | |
| Maximum-minimum problem. | 11/27/2008 |
| Q: A printed page is to contain I'm² of typing with clear margins around, of 5 by 3. Find the minimum ... A: Questioner: Eric Category: Calculus Private: No Subject: Calculus Min-MaxA printed page is ... | |
| Maximum-minimum problem. | 11/24/2008 |
| Q: Find the area of the largest rectangle that can be inscribed in a right triangle with legs of length ... A: Questioner: davis Category: Calculus Private: No Subject: Related Rates << Huh??Find the ... | |
| Related Rates | 11/23/2008 |
| Q: A container has the shape of an open right circular cone. The height of the container is 10cm and ... A: Questioner: Ray Category: Calculus Private: No Subject: Related RatesA container has the ... | |
| Related Rates | 11/23/2008 |
| Q: Water is flowing at the rate of 50m^3/min from a concrete conical reservoir (vertex down) of base ... A: Davis, Is this your first attempt at R-R problems? If so, the scheme is something like this: 1. ... | |
| calculus | 11/22/2008 |
| Q: Given function f(x) = x tanx A. Find the vertical and horizontal asymptotes, if any. B. Find the ... A: Bill, This was sent to the pool, because your expert did not want to answer it. That's because he ... | |
| Related Rates involving paraboloid | 11/22/2008 |
| Q: An oil storage tank has the shape of a paraboloid with a radius of 5ft and a height of 9ft. Oil ... A: Questioner: smiff Category: Calculus Private: No Subject: Related Rates involving ... | |
| Limits | 11/20/2008 |
| Q: Would you please help me with following: 1)lim(x->9) ((x-10sqrt(x)+21)/(3-sqrt(x))) I don't know ... A: Questioner: Linda Category: Calculus Private: No Subject: LimitsWould you please help me ... | |
| Related Rates | 11/20/2008 |
| Q: Q): A balloon rises at the rate of 10 feet per second from a point on the ground 100 feet from an ... A: Questioner: Melinda Category: Calculus Private: No Subject: Rates of Angle of Elevation ... | |
| Related Rates | 11/20/2008 |
| Q: Q): A balloon rises at the rate of 10 feet per second from a point on the ground 100 feet from an ... A: Questioner: Melinda Category: Calculus Private: No Subject: Rates of Angle of Elevation ... | |
| Related Rates | 11/19/2008 |
| Q: A man is walking on a bridge that is 20 ft above a river, as a boat passes directly under the center ... A: Questioner: sara Category: Calculus Private: No Subject: related ratesA man is walking on ... | |
| Maximum-minimum problem. | 11/19/2008 |
| Q: This is a question my calculus-1000 proff. gave my tutorial class. Consider a horizontal road ... A: Questioner: Angela Category: Calculus Private: No Subject: calculus, Illumination ... | |
| Maximum-minimum problem. | 11/18/2008 |
| Q: An open rectangular box with a square base must have a volume of 96 cubic inches. The material for ... A: Questioner: Dominick Category: Calculus Private: No Subject: Applied Max/Min ProblemAn ... | |
| Applications of Integrals | 11/17/2008 |
| Q: The linear density of a rod of length 9 m is given by ρ(x) = 1 / √x, in grams per ... A: Questioner: Kathleen Category: Calculus Private: No Subject: Linear DensityThe linear ... | |
| Velocity and acceleration. | 11/17/2008 |
| Q: I know your instructions said tell me what you've already tried and don't just dump the question on ... A: Questioner: Lauren Category: Calculus Private: No Subject: help!!I know your instructions ... | |
| So confused | 11/17/2008 |
| Q: find the 63rd derivative of y=cos3x A: Questioner: Lauren Category: Calculus Private: No Subject: So confusedfind the 63rd ... | |
| Lagrange's theorem | 11/16/2008 |
| Q: I have 3 questions: 1) Represent all cosets of H = S3 in G = S4 I'm confused about how to use the ... A: Questioner: Kate Category: Calculus Private: Yes Subject: Lagrange's theoremI have 3 ... | |
| Infinite series - Integral test | 11/16/2008 |
| Q: Klarreich, please help me with the following problem. Find all positive values of b for which the ... A: Questioner: Sinclair Category: Calculus Private: No Subject: infinite seriesHello Mr. ... | |
| Maximum-Minimum problem | 11/15/2008 |
| Q: I have a problem that needs to maximize a half cylinder shaped airplane hangar to 225,000 sqft. I am ... A: Questioner: Tony Salatti Category: Calculus Private: No Subject: Maximum-Minimum problemI ... | |
| Trigonometric equations | 11/14/2008 |
| Q: How do I solve this equation given that 0 is less than or = to x < 2pie: sin 2x + sqrt3/2 = 0? I've ... A: Questioner: Keli Category: CalculusHow do I solve this equation given that 0 is less than or = ... | |
| Definite Integrals with variables | 11/13/2008 |
| Q: I am ready to pull my hair out. I have been at this all day. I understand how to evaluate definite ... A: Heather, Here are two ideas for you: 1. Read some prior questions and answers on this site. There ... | |
| Maximum-minimum problem. | 11/12/2008 |
| Q: Find the dimensions of a right circular cylinder of maximum volume that can be inscribed in a sphere ... A: Questioner: davis Category: Calculus Private: No Subject: Maximizing VolumeFind the ... | |
| Question regarding your related rates calculus answer | 11/11/2008 |
| Q: My question refers to this problem from Michael that you answered on February 28th: The radius of a ... A: OK. I found it. You made a slight booboo, too. It was on Feb 26, not Feb 28. I corrected it, and ... | |
| Question regarding your related rates calculus answer | 11/11/2008 |
| Q: My question refers to this problem from Michael that you answered on February 28th: The radius of a ... A: Questioner: Adam Category: Calculus Private: No Subject: Question regarding your related ... | |
| Mean Value Theorem | 11/11/2008 |
| Q: I am stuck on a particular problem. I know what the mean value theorem is but I have no idea where ... A: I found this in the question pool after sending you an answer, so you must have sent it to someone ... | |
| Mean Value Theorem | 11/11/2008 |
| Q: I am stuck on a particular problem. I know what the mean value theorem is but I have no idea where ... A: Questioner: stephanie Category: Calculus Private: No Subject: Mean Value TheoremHi I am ... | |
| Maximum-minimum problem. | 11/10/2008 |
| Q: A company finds that the demand function for a certain product is p(x)=2-ln(xe^2/100). The demand x ... A: Questioner: Gracie Category: Calculus Private: No Subject: Maximuze RevenueA company finds ... | |
| Dog Curve | 11/10/2008 |
| Q: Here is a problem I can't solve: A dog is standing in "B" point on the "X" axis. It's owner is ... A: Category: Calculus Private: No Subject: Dog CurveDog Curve Hi James; <<<< Huh? Here is a ... | |
| Related Rates | 11/9/2008 |
| Q: Water is draining out of a cone shaped tank. V=(1/3)pir^2h. Find the change in volume knowing ... A: Questioner: Neng Category: Calculus Private: No Subject: Calculus-Related RatesWater is ... | |
| Applications of derivatives. | 11/8/2008 |
| Q: I know this is prob a very simple question but can you help, for the life of me I cannot remember ... A: Questioner: Kennith Simpson Category: Calculus Private: No Subject: CalculusI know this is ... | |
| Maclaurin series | 11/8/2008 |
| Q: I am B.Sc first year student and it comes from the section differential calculus. The question goes ... A: Questioner: Roshan Category: Calculus Private: No Subject: Maclaurin seriesI am B.Sc first ... | |
| How to refresh math skills | 11/8/2008 |
| Q: I attend an American school that uses the 4x4 system--a scheduling system that has four separate ... A: Questioner: Glenn Category: Calculus Private: No Subject: How to refresh math skillsHi, I ... | |
| Applications of derivatives. | 11/7/2008 |
| Q: !! I'm having trouble in my calculus class and need help. I have 2 questions, one about equation of ... A: Questioner: Robert Rodriguez Category: Calculus Subject: Equation of the normal ... | |
| Partial Fractions | 11/7/2008 |
| Q: Evaluate the Integral: Integral sign (5x^2+3x-2)/(x^3+2x^2) dx A: Questioner: Alfred Phiri Category: Calculus Private: No Subject: Integration of Rational ... | |
| Proof with odd and even integers. | 11/6/2008 |
| Q: Disprove this statement: There exists an integer n such that n^3-n+1 is even. A: Questioner: Pete Category: Calculus Private: No Subject: More Proofs!!Disprove this ... | |
| Basic Inequalities | 11/6/2008 |
| Q: Let a,b, and m be integers. Prove that if 2a+3b >or= 12m+1, then a >or= 3m+1 or b >or= 2m+1. A: Questioner: Pete Category: Calculus Private: No Subject: ProofsLet a,b, and m be integers. ... | |
| Minimizing cost of constructing a silo with a dome top | 11/5/2008 |
| Q: Paul, I checked the archives and found a problem like this that you worked and I feel that I ... A: Questioner: Scott Category: Calculus Private: No Subject: Minimizing cost of constructing ... | |
| Maximum-minimum problem. | 11/4/2008 |
| Q: A firm determines that x units of its product can be sold daily at p dollars per unit, where ... A: Questioner: Andrew Category: Calculus Private: No Subject: Optimization Word ProblemA firm ... | |
| Integration by Parts | 11/3/2008 |
| Q: what is the integration of exlogx ANSWER: Hi, Sabir, For { | e^x log x dx } There is no easy way ... A: Questioner: sabir Category: Calculus Private: No Subject: Integration by Partswhat is the ... | |
| Separation of variables | 11/2/2008 |
| Q: Find the general solution for dy/dx=x^3y I can't find a way to separate the variables, so I'm at a ... A: Questioner: Marcus Category: Calculus Private: no Subject: integration (differential ... | |
| Maximum-minimum problem. | 11/2/2008 |
| Q: A man is floating in a rowboat 1 mile from a straight shoreline. A town is located on the shoreline ... A: Questioner: Andrew Category: Calculus Private: No Subject: Calculus max/min word problemA ... | |
| limits | 10/31/2008 |
| Q: Can you show me the value of the Lim (sin(x)- (x))/x^3 as x approaches zero The idea is not to use ... A: Questioner: David Category: Calculus Private: No Subject: limitsDear Sir : Can you show me ... | |
| Maximum-minimum problem. | 10/29/2008 |
| Q: Two sides of fencing are needed to enclose a rectangular area at the corner of a room. If 20 ft of ... A: Questioner: Samantha Category: Calculus Private: No Subject: word problems (technology)Two ... | |
| Calculus and Related Rates | 10/28/2008 |
| Q: A can in the shape of a right circular cylinder with radius 8 in. is being filled at a constant ... A: Questioner: Bethany Category: Calculus Private: No Subject: Calculus and Related RatesA ... | |
| Maximum-minimum problem. | 10/27/2008 |
| Q: A Florida citrus grower estimates that if 70 orange trees are planted, the average yield per tree ... A: Questioner: Megan Private: no Subject:A Florida citrus grower estimates that if 70 orange trees ... | |
| Maximum-minimum problem. | 10/24/2008 |
| Q: what values of the constant p does f(x)= x^3 - 6x +p have 3 distinct real roots? A: Questioner: erika Category: Calculus Private: no Subject: calcwhat values of the constant ... | |
| Maximum-minimum problems | 10/20/2008 |
| Q: Problem: Consider a rectangle with its base on the x-axis and two vertices on the curve f(x) = ... A: Questioner: Zahra Category: Calculus Private: No Subject: BC CalculusProblem: Consider a ... | |
| Maximum-minimum problems | 10/19/2008 |
| Q: I need some help working this word problem. I know that 250,000= 1/2(pi*r^2*h). Then R(cost)= ... A: Questioner: Bobby Category: Calculus Private: No Subject: Help with Calculus word problemI ... | |
| Inverses of functions | 10/18/2008 |
| Q: Given f (x) = (2x + 1) / 3 find f -1(x). A: Questioner: Sharon Category: Calculus Private: No Subject: Calculus 1Given f (x) = (2x + ... | |
| Set operations - basic | 10/18/2008 |
| Q: Express the following in set builder notation: Z = {2, 3, 4, 5, 6, 7, 8, 9, 10} A: Questioner: jalisa Category: Calculus Private: No Subject: MathExpress the following in ... | |
| Derivatives - applications. | 10/17/2008 |
| Q: 1) The concentration (in milligrams per cubic centimeter) of a certain drug in a patient's body t ... A: Questioner: Loan Category: Calculus Private: No Subject: optimaization problem1) The ... | |
| Set operations - basic | 10/17/2008 |
| Q: Write the following in roster form: Set N is the set of natural numbers between ten and sixteen. I ... A: Questioner: jalisa Category: Calculus Private: No Subject: MathWrite the following in ... | |
| Permutations and partitions. | 10/16/2008 |
| Q: A legal firm has 4 new cases and 3 lawyers. How many ways can they assign 1 lawyer to each case if ... A: Questioner: Adam Category: CalculusA legal firm has 4 new cases and 3 lawyers. How many ways ... | |
| Limits | 10/16/2008 |
| Q: evaluate limits lim (sin(a+2x)-2sin(a+x)+sin a)/x^2 limx=0 A: Questioner: sunita Category: Calculus Private: No Subject: please answerevaluate limits ... | |
| Slope of the tangent line. | 10/15/2008 |
| Q: A function is defined by f(x)= x(x+3)^(3/5). For what values of x does the function have one or ... A: Questioner: Lindsay Category: Calculus Private: No Subject: CalculusA function is defined ... | |
| L'Hospital's Rule | 10/15/2008 |
| Q: I am the expert in Laptops in the allexperts Q&A. I study electrical engineering and in the calculus ... A: Questioner: Mohammad babaee Category: Calculus Private: No Subject: Limit questioncalculus ... | |
| Integration methods. | 10/15/2008 |
| Q: Evaluate the integral: ∫ (2x4 + 3x2 – 2x) dx A: Questioner: Marie Category: Calculus Private: No Subject: Evaluating IntegralsEvaluate the ... | |
| Maximum-minimum problems | 10/14/2008 |
| Q: You did a great job helping me with a previous question, hopefully you can do one more! Thanks! *A ... A: Questioner: Gracie Category: Calculus Private: No Subject: MaximizeYou did a great job ... | |
| Maximum-minimum problems | 10/14/2008 |
| Q: Yes sorry the 7.5cm,15cm,7.5 are 7.5cm____/7.5cm 15cm ... A: Questioner: Larissa Category: Calculus Private: No Subject: The gutter problemYes sorry ... | |
| Maximum-minimum problems | 10/13/2008 |
| Q: 1) Calculate the height of the perpendicular sides of the gutter which will give a maximum volume ... A: Questioner: Larissa Category: Calculus Private: No Subject: The gutter problem1) Calculate ... | |
| Area between 2 curves | 10/12/2008 |
| Q: I'm trying to find the area between 2 curves enclosed by y=x and y=x^3. When I solve for x I get ... A: Questioner: Tyrene Category: Calculus Subject: area between 2 curvesHi, I'm trying to find ... | |
| Marginal Cost | 10/11/2008 |
| Q: I am working through Morris Kline's Calculus: An Intuitive And Physical Approach and came across an ... A: Questioner: Paul Category: Calculus Private: No Subject: Question in Morris Kline's BookI ... | |
| Basic equations. | 10/11/2008 |
| Q: The question is Y^(3/4) = 2x+2. I would like to solve for Y (Leave Y by itself on the left hand ... A: Questioner: Mitch Category: Calculus Private: No Subject: calculusDear Mr Klarreich, The ... | |
| Basic inequality | 10/11/2008 |
| Q: prove that //a/-/b//is greater than or equal/a-b/ note:[/]mark means absolute A: Questioner: ahmed Category: Calculus Private: No Subject: caculasprove that |a| - |b| is ... | |
| Maximum-minimum problems | 10/9/2008 |
| Q: Find two positive numbers satisfying the given requirements. The sum of the first and twice the ... A: Questioner: Gracie Category: Calculus Private: No Subject: Calulus.Find two positive ... | |
| L'Hospital's Rule | 10/9/2008 |
| Q: The instructions said to evaluate the limit using L'Hopitals Rule. The problem is ... A: Questioner: Colton Category: Calculus Private: No Subject: L'Hopitals RuleThe instructions ... | |
| Maximum-minimum problems | 10/7/2008 |
| Q: please help me. I used a previous problem to guide me through problem 2.Likewise I attempted to do ... A: Questioner: Anthony Category: Calculus Private: No Subject: min/maxplease help me. I used ... | |
| Taylor series circle of convergence. | 10/7/2008 |
| Q: in the maclaurin's series expansion of log e(1+x), why is this valid only for -1< x ≤1 ? A: Questioner: aarthi Category: Calculus Private: no Subject: maclaurin's seriesin the ... | |
| Number theory, divisibility | 10/6/2008 |
| Q: Ok Paul, you have been amazing so far! Here are two more for you to have fun with. (1) If (A) is an ... A: Questioner: Pete Category: Calculus Private: No Subject: Advanced Mathematics-ProofsOk ... | |
| Velocity and acceleration | 10/6/2008 |
| Q: A particle moves along a line so that at any time t its position is given by x(t)=2(pi)t+cos2(pi)t. ... A: Questioner: Gina Category: Calculus Private: No Subject: DerivativesA particle moves along ... | |
| Subgroups | 10/6/2008 |
| Q: (1) If I have a function phi mapped from G to G' which is an isomorphism of groups how do I explain ... A: again, Sombra, You're really making me work here. [It's good for me -- don't stop.] ..........Below ... | |
| Group isomorphisms | 10/5/2008 |
| Q: (1) If I have a function phi mapped from G to G' which is an isomorphism of groups how do I explain ... A: Questioner: Sombra Category: Calculus Private: No ---------- FOLLOW-UP ---------- This may ... | |
| Group isomorphisms | 10/4/2008 |
| Q: (1) If I have a function phi mapped from G to G' which is an isomorphism of groups how do I explain ... A: Questioner: Sombra Category: Calculus Private: No Subject: group isomorphisms(1) If I have ... | |
| Exponential Decay. | 10/4/2008 |
| Q: I have a question on transformation of functions, it goes like this. A hot brick is removed from ... A: ANSWER: Questioner: Robert Category: Calculus Private: No Subject: Transformations of ... | |
| Exponential Decay. | 10/3/2008 |
| Q: I have a question on transformation of functions, it goes like this. A hot brick is removed from ... A: Questioner: Robert Category: Calculus Private: No Subject: Transformations of FunctionsI ... | |
| Instantaneous rate of change | 10/1/2008 |
| Q: I'm taking calculus 1 and was hoping that you might be able to help with finding the instantaneous ... A: Questioner: Sharon Category: Calculus Private: No Subject: Instantaneous rate of ... | |
| Basic derivatives | 10/1/2008 |
| Q: Differentiate: y = (1 + cos x) / (1 – cos x) A: Questioner: Marie Category: CalculusDifferentiate: y = (1 + cos x) / (1 – cos x) ... | |
| Integration - half angle trick. | 9/28/2008 |
| Q: Trying to integrate cos^4 x dx I,ve been told a Hint cos^4x = cos^2 x X cos^2 x and cos^2 x = (1 ... A: Questioner: carole Category: Calculus Private: No Subject: IntegrationTrying to integrate ... | |
| Factoring 3rd degree polynomials with coefficients | 9/27/2008 |
| Q: How do I factor:8 t^3 - 9 t^2 - 2 I remember learning somethig about dividing the first coefficient ... A: Questioner: Natasha Category: Calculus Private: No Subject: Factoring 3rd degree ... | |
| Partial fractions | 9/25/2008 |
| Q: i have read over and over the examples and answers using the partial fractions method, and i just ... A: Questioner: sarah Category: Calculus Private: No Subject: partial fractionsHi, i have read ... | |
| Horizontal tangents | 9/25/2008 |
| Q: Determine the point(s) at which the graph of f(x) = x/sqrrt(2x-1) has a horizontal tangent A: Questioner: Kristin Category: Calculus Private: No Subject: Horizontal tangentsDetermine ... | |
| Basic derivatives | 9/25/2008 |
| Q: find the derivative of the function. y = (1/2)x^2* (4-x) A: Questioner: Kristin Category: Calculus Private: No Subject: derivativesfind the derivative ... | |
| Velocity and acceleration | 9/24/2008 |
| Q: ball thrown upward at 44ft/sec velocity. At certain ht. t in second, y = 44t-16t^2. What is the ... A: Questioner: Ricardo Category: Calculus Private: No Subject: Velocity and accelerationball ... | |
| Maximum-minimum problems | 9/24/2008 |
| Q: 1.a piece of wire16 in. long is cut into two pieces; 1 piece is to be bent to form a circle and the ... A: Questioner: monica Category: Calculus Private: No Subject: help!!1.a piece of wire16 in. ... | |
| Velocity and acceleration | 9/23/2008 |
| Q: ball thrown upward at 44ft/sec velocity. At certain ht. t in second, y = 44t-16t^2. What is the ... A: Questioner: Ricardo Category: Calculus Private: No Subject: beginning calculusball thrown ... | |
| proving one-to-one correspondence | 9/23/2008 |
| Q: How do you proved that there is a one-to-one correspondence between the points of the interval [0,1] ... A: Questioner: Dwayne Category: Calculus Private: no Subject: proving one-to-one ... | |
| Rectangle Bounded by semicircle | 9/22/2008 |
| Q: I am having trouble even getting started on this problem... A rectangle is bounded by the x-axis ... A: Questioner: Braden Category: Calculus Private: No Subject: Rectangle Bounded by ... | |
| Composition of functions | 9/21/2008 |
| Q: This problem I have been struggling with for about the past 30 minutes hopefully you can help. ... A: Questioner: Chris Category: Calculus Private: No Subject: College AlgebraThis problem I ... | |
| Improper integral | 9/17/2008 |
| Q: how can i solve this improper integral? integral from 1 to infinite of (cos(x)*cos(x^2)) A: Questioner: Luis K. Category: Calculushow can i solve this improper integral? integral from 1 ... | |
| Decreasing Inverval | 7/30/2008 |
| Q: Here is my question. We're not supposed to use the calculator for this. On what interval(s) is the ... A: Questioner: Emma Category: Calculus Private: No Subject: Decreasing InvervalHi, Here is ... | |
| Maximum-minimum problems | 6/24/2008 |
| Q: Find the longest beam that can go around a hallway with width A to a hallway with a width B. Tried ... A: Questioner: Willis Category: Calculus Private: No Subject: OptimizationFind the longest ... | |
| Basic derivatives | 6/22/2008 |
| Q: I have a couple of questions regarding my calculus homework. I have already completed most of the ... A: Questioner: Ryan Category: Calculus Private: No Subject: calculusI have a couple of ... | |
| Definition of Limit | 6/22/2008 |
| Q: Well here's my situation. I haven't taken any math since high school and now I'm taking calculus. ... A: Gurvi, You are using the DEFINITION OF LIMIT: lim f(x) = L if: x->a WHENEVER |x-a| is small, ... | |
| Definition of Limit | 6/21/2008 |
| Q: Well here's my situation. I haven't taken any math since high school and now I'm taking calculus. ... A: Questioner: Gurvi Category: Calculus Private: No Subject: Proving limitsWell here's my ... | |
| Vectors | 6/21/2008 |
| Q: Can u answer this question - "If the difference of two vectors A and B is perpendicular to their ... A: Questioner: Anubhav Category: Calculus Private: No Subject: VectorsCan u answer this ... | |
| Vectors | 6/20/2008 |
| Q: Can u answer this question - "If the difference of two vectors A and B is perpendicular to their ... A: Questioner: Anubhav Category: Calculus Private: No Subject: vectorsCan u answer this ... | |
| Indeterminate Forms and L'Hospital's Rule | 6/20/2008 |
| Q: I hope you can help! I am taking a college first year calculus correspondence class. I have am ... A: Questioner: Lee Category: Calculus Private: No Subject: Calculus I (Indeterminate Forms ... | |
| Maximum-minimum problems | 6/17/2008 |
| Q: After receiving $1000, you must carry out an intervention to increase the population of a marine ... A: Questioner: Maxime Category: Calculus Private: No Subject: Maximization and ... | |
| Related rates | 6/14/2008 |
| Q: a sphere is being filled at a constant rate of 4cm^3/sec. At what rate is the surface area changing ... A: Questioner: inthujah Category: Calculus Private: No Subject: calculus related rates... ... | |
| Improper Integrals | 6/1/2008 |
| Q: I have not done an integral with infinite bounds so far. Could you tell me how to go about ... A: Questioner: Sami Category: Calculus Private: No Subject: integral with infinite boundsHi ... | |
| Continuity | 5/31/2008 |
| Q: I am megahana and undergraduate student. I am not understanding that, 1) what is exact difference ... A: Questioner: MEGHNA NAIDU Category: Calculus Private: No Subject: continousDear Sir, ... | |
| Related Rates | 5/29/2008 |
| Q: I'm having a problem with 2 related rates word problems. In the heat of the sun, a sheet of ... A: Questioner: Kiana Category: Calculus Private: No Subject: related ratesHi, I'm having a ... | |
| Maximum-minimum problem. | 5/29/2008 |
| Q: You're designing an open top card board box for a purveyor of nuts. The top will be made of clear ... A: Questioner: Nicole Category: Calculus Private: No Subject: Min and MaxYou're designing an ... | |
| Trig identity integration | 5/28/2008 |
| Q: I'm stuck on this one integral of {cos^4xdx, the exponent is even, so do I use double-angle ... A: Questioner: Lana Category: Calculus Private: No Subject: trig identity integrationI'm ... | |
| Review of tangent line answer | 5/27/2008 |
| Q: Looking at your solution to the followingSubject: CalculusCould you help me with this? Graph the ... A: Questioner: Iain Category: Calculus Private: No Subject: Review of tangent line ... | |
| Differential equation of decay. | 5/27/2008 |
| Q: Let v(t) be the velocity, in feet per second, of a skydiver at time t seconds, t>0. After her chute ... A: Questioner: harman Category: Calculus Private: No Subject: ap calculusLet v(t) be the ... | |
| Curve sketching with derivatives. | 5/27/2008 |
| Q: Let f(x) be the function defined by f(x)=sin^(2)x-sinx for 0 <(less than or equal to) x <(less than ... A: Questioner: harman Category: Calculus Private: No Subject: ap calculusLet f(x) be the ... | |
| Curve sketching with derivatives. | 5/24/2008 |
| Q: For what values of a and b does the function f(x)=x^(3)+ax^(2)+bx+2 have a local maximum when x=-3 ... A: Questioner: harman Category: Calculus Private: No Subject: ap calculusFor what values of a ... | |
| Implicit differentiation. | 5/24/2008 |
| Q: Given the equation 5x^(2)-6x+5y^(2)=16, find dy/dx. What is its value at points (2,2) and (1,-1)? A: Questioner: harman Category: Calculus Private: No Subject: ap calculus, changing of ... | |
| Maclaurin series, binomial | 5/24/2008 |
| Q: I am trying to find the Maclaurin series for f(x)=x/(1+(x/2))in terms of sum n=0 to infinity nth ... A: Questioner: sami Category: Calculus Private: No Subject: Maclaurin seriesHi Paul, I am ... | |
| Definite Integral properties | 5/22/2008 |
| Q: I need some help with this problem Let f(x) be a continuous function that is defined for all real ... A: The part I needed help in completing i s "Given that f(x) is a linear function of x, find an ... | |
| Definite Integral properties | 5/21/2008 |
| Q: I need some help with this problem Let f(x) be a continuous function that is defined for all real ... A: Questioner: sami Category: Calculus Private: No Subject: integrals ... | |
| Integration of Inverse Trig functions | 5/20/2008 |
| Q: I need some help with this problem because I keep getting the wrong answer and I can't figure out ... A: Questioner: Caroline Category: Calculus Private: No Subject: Inverse Trig Functions and ... | |
| Exponential Growth and Decay | 5/17/2008 |
| Q: The temperature of an ingot of silver is 60 degrees Celsius above room temperature right now. ... A: Questioner: Jessica Category: Calculus Private: No Subject: Exponential Growth and ... | |
| Related Rates | 5/15/2008 |
| Q: The beacon on a lighthouse 62 m from a straight shoreline completes a full rotation every 51 ... A: Questioner: zach neukirchen Category: Calculus Private: No Subject: Calculus-trigThe ... | |
| Basic curve sketching with derivatives. | 5/12/2008 |
| Q: 2) Consider F(x)=x^3+ax^2+bx+c, where a,b, and c are constants with a>0(or equal to 0) and b>0 (or ... A: Questioner: David Private: no Subject:2) Consider F(x)=x^3+ax^2+bx+c, where a,b, and c are ... | |
| Basic curve sketching with derivatives. | 5/11/2008 |
| Q: 2) Consider F(x)=x^3+ax^2+bx+c, where a,b, and c are constants with a>0(or equal to 0) and b>0 (or ... A: Questioner: David Category: Calculus Private: No Subject: relative max & min problem2) ... | |
| Applications of derivatives. | 5/11/2008 |
| Q: 1) Let: Z(x)=F(x)*G(x) F(x)>0 and G(x)>0 F'(x) and G'(x) exist F"(x) and ... A: Questioner: David Category: Calculus Private: No Subject: relative max & min problem1) ... | |
| Related Rates | 5/9/2008 |
| Q: two boats are approaching a buoy along paths that make a 90 degree angle. The first boat is 150 ... A: Questioner: Sarah Category: Calculus Private: No Subject: related ratestwo boats are ... | |
| Maximum-minimum problem. | 5/7/2008 |
| Q: A rectangle has its base on the x-axis and its upper two vertices on the parabola y=12-x^2. What is ... A: Questioner: Rebecca Category: Calculus Private: No Subject: Applied OptimizationA ... | |
| Maximum-minimum problem. | 5/6/2008 |
| Q: Two light sources, L1 and L2 are 100m apart and have intensity of 4 units and 1 unit, respectively. ... A: Questioner: nazia Category: Calculus Private: No Subject: CalculusTwo light sources, L1 ... | |
| Related Rates | 5/5/2008 |
| Q: The beacon on a lighthouse 40 m from a straight shoreline rotates twice per minute. How fast is the ... A: Questioner: zach neukirchen Category: Calculus Private: No Subject: Trigonometric ... | |
| related rates cone problem | 5/4/2008 |
| Q: I have a problem much like this one, that I am attempting to solve. I understand every step you have ... A: Questioner: Jessica Category: Calculus Private: No Subject: related rates cone problemI ... | |
| Complex numbers | 5/4/2008 |
| Q: please see the image attached. I am studying A Level Maths. Thanks for your time and help. A: Questioner: jenny Category: Calculus Private: No Subject: complex ... | |
| Functions - multipart | 5/4/2008 |
| Q: if f(a)=max. (a,1/a) for all a>0 then find the value of f(r)*f(1/r) for all 0<r<1. A: Questioner: shweta Category: Calculus Private: No Subject: functionsif f(a)=max. (a,1/a) ... | |
| Rational Functions | 5/3/2008 |
| Q: I'm studying rational functions and I'm having trouble to solve and graph this rational function: ... A: I just have 2 more questions. the function is improper, right? >> Right. So don't I have to do a ... | |
| Rational Functions | 5/3/2008 |
| Q: I'm studying rational functions and I'm having trouble to solve and graph this rational function: ... A: Questioner: Andrey Category: Calculus Private: No Subject: Rational FunctionsHi, I'm ... | |
| Related Rates | 5/3/2008 |
| Q: A rope 32 feet long is attached to a weight and passed over a pulley 16 feet above the ground. The ... A: Questioner: Abbas Category: Calculus Private: No Subject: calculus related(rates)A rope 32 ... | |
| Basic differentiation. | 5/2/2008 |
| Q: The eating behavior of a typical human during a meal can be described by I(t)=27+ 72t - 1.5t^2 ... A: Questioner: Amber Category: Calculus Private: No Subject: derivativesThe eating behavior ... | |
| Maximum-minimum problem. | 5/2/2008 |
| Q: find the exact dimensions of the largest rectangle that can be insribed in the curve y= e^x ... A: Questioner: john Category: Calculus Private: No Subject: optimzationfind the exact ... | |
| Related Rates | 5/1/2008 |
| Q: A conical water tank (with the vertex down) is 10 meters across the top and 12 meters deep. a) ... A: Questioner: Seth Category: Calculus Private: No Subject: Related RatesA conical water tank ... | |
| Integration | 4/30/2008 |
| Q: I would like to know how to integrate 1) sin(14x) cos(5x) dx 2) 2.7^2x+7 dx THANK YOU A: Questioner: khan Category: Calculus Private: No Subject: integrationHi, I would like to ... | |
| Maximum and Minimun Problem | 4/30/2008 |
| Q: If 1200cm^2 of material is available to make a box with a square base and an open top, find the ... A: Questioner: Rebecca Category: Calculus Private: No Subject: Maximum and Minimun ProblemIf ... | |
| Velocity and acceleration. | 4/30/2008 |
| Q: A particle moving along the x-axis has acceleration a(t)=6t-2 in m/s^2 for time t>0. If the particle ... A: Questioner: Joy Category: Calculus Private: No Subject: Acceleration,position,velocityA ... | |
| Mean Value Theorem | 4/29/2008 |
| Q: Having trouble figuring out where to start with this problem: Let f and g be functions that are ... A: Questioner: Edward Greiner Category: Calculus Private: No Subject: Calc ... | |
| Velocity and integration by parts | 4/29/2008 |
| Q: A particle that moves along a straight line has velocity v(t)=t^(2)*e^(-3t) meters per second after ... A: Questioner: Rahma Category: Calculus Private: No Subject: integration by partsA particle ... | |
| Integration by Parts | 4/29/2008 |
| Q: Integration of exp(x)(1+Sinx)/(1+Cosx).... Please sir i am not able to do this very hard for me to ... A: Questioner: Suzan Thomas Category: Calculus Private: No Subject: CalculusIntegration of ... | |
| Slope of a Line | 4/8/2008 |
| Q: 5. (a) Find the equation of the tangent line to y = 1 x at the generic point (a, 1/a) (b) Let f ... A: Questioner: gwendolyn Category: Calculus Private: No Subject: does this help5. (a) Find ... | |
| Integration | 4/7/2008 |
| Q: I have an integral that I am not having much luck with. It doesn't seem it fit in with any of the ... A: Questioner: Mark Category: Calculus Private: No Subject: IntegrationIntegration By ... | |
| Absolute Value Inequality | 4/7/2008 |
| Q: This is from the homework of my Mathematical Analysis I course. I don't know how to do this kind of ... A: Questioner: Vanesa Villafana Liñan Category: Calculus Private: No Subject: Absolute Value ... | |
| Lines and planes in space. | 4/6/2008 |
| Q: A plane has equation x - 2y +z = 4. Show that the square, say D^2, of the distance from the point ... A: Questioner: Natalie Category: Calculus Private: No Subject: minimum in multivariable ... | |
| Velocity and acceleration. | 4/6/2008 |
| Q: I am having some trouble here with this problem. I am not sure how to start or what to do at all. A ... A: Questioner: Shanye Category: Calculus Private: No Subject: MotionI am having some trouble ... | |
| Related Rates | 4/5/2008 |
| Q: A voltage V across a resistance R generates a current C = V/R. Suppose a constant voltage of 10 ... A: Questioner: luis Category: Calculus Private: No Subject: realted rates problemA voltage V ... | |
| Related Rates | 4/5/2008 |
| Q: A man 2m strolls at 1m/s along the edge of a road 10m wide. A street light 6m high stands on the ... A: Questioner: khaleel Category: Calculus Private: No Subject: CalculusHi I have this problem ... | |
| Definite Integral Properties | 4/5/2008 |
| Q: I have a question about definite integrals. Here's the problem: Assuming that [integration from 0 ... A: Questioner: Ashley Category: Calculus Private: No Subject: IntegrationHi Paul, I have a ... | |
| Calculus 1 | 4/4/2008 |
| Q: Figure 11.1 is the mathematical equation that was listed below it.... f(x) = {c2 - x2 if x<0 OVER ... A: Questioner: Andrea Category: Calculus Private: No Subject: Calculus 1Figure 11.1 is the ... | |
| sequence /limits | 4/4/2008 |
| Q: How do I find the limit of a sequence described by sqrt(2), sqrt(2(sqrt(2)), ... A: Questioner: vince Category: Calculus Private: No Subject: sequence /limitsHi Paul, How do ... | |
| Absolute value. | 4/3/2008 |
| Q: Figure 9.1 h(x) = x-9 over |x-9| Given Figure 9.1, tell where h is continous. (Give your answer in ... A: Questioner: Andrea Category: Calculus Private: No Subject: Calculus 1Figure 9.1 h(x) = ... | |
| second-order partial derivatives | 4/2/2008 |
| Q: How are all the second-order partial derivatives of the function z = 9xln(8x^3y)worked out? Thank ... A: Questioner: James Category: Calculus Private: No Subject: second-order partial derivatives ... | |
| Maximum-minimum problem. | 4/2/2008 |
| Q: How do you work these? 1. What is the average value of y for the part of the curve y= 3x-x^2 which ... A: Questioner: Dana Category: Calculus Private: No Subject: Calculus AP materialHow do you ... | |
| Differential equation of decay. | 3/31/2008 |
| Q: Could you please help me with this question. I do not understand how to answer it. I am currently ... A: Questioner: Aly Category: Calculus Private: No Subject: A drained inverted pyramid ... | |
| Related Rates | 3/31/2008 |
| Q: An object that is launched vertically is tracked by a radar station located on the ground 4 miles ... A: Questioner: Ashley Category: Calculus Private: No Subject: related rates?An object that is ... | |
| Intermediate Value Theorem & Newton's Method | 3/31/2008 |
| Q: I'm a first year college student taking Calculus we don't use the text book except as a resource so ... A: Questioner: Russ Category: Calculus Private: No Subject: Calculus Intermediate Value ... | |
| Related Rates | 3/30/2008 |
| Q: A man starts walking north at 45metres/minute from point P. Five minutes later a woman starts ... A: Questioner: raj Category: Calculus Private: No Subject: related ratesA man starts walking ... | |
| Multipart functions | 3/30/2008 |
| Q: How can I solve this piece wise function? Let f(x)= {3, x ≤ 3 {6 - x, x > 3 ... A: Questioner: kayla Category: Calculus Private: No Subject: ap calculusHow can I solve this ... | |
| Related Rates - Cone | 3/30/2008 |
| Q: I just want to make sure that I am on the right track with this problem.As sand leaks out of a hole ... A: Questioner: Lauren Category: Calculus Private: No Subject: Related Rates - ConeI just want ... | |
| Inverses of functions. | 3/29/2008 |
| Q: Let f be the function defined by f(x)=x^3 + x. If g(x)= f^-1(x)and g(2)=1, what is the value of ... A: Questioner: Allie Category: Calculus Private: No Subject: implicit differentiationLet f be ... | |
| Limits,continuity and differentiability | 3/29/2008 |
| Q: let h(x)=min{x,( x raised power two)}, for every real no of x then which of following are ... A: Questioner: mujeeb Category: Calculus Private: No Subject: limits,continuity and ... | |
| Differential equation of oscillation | 3/29/2008 |
| Q: hye.. i really hope that you can answer this question.i'm studying ode now for my degree in ... A: Questioner: fiza Category: Calculus Private: No Subject: odehye.. i really hope that you ... | |
| Basic differentiation - Chain Rule | 3/28/2008 |
| Q: Show that the family of curves described by x^2 + 3y^2 = b are orthogonal y=ax^3? ANSWER: ... A: Questioner: mary Category: Calculus Private: No Subject: Implicit differentiation. ... | |
| Implicit differentiation. | 3/28/2008 |
| Q: Show that the family of curves described by x^2 + 3y^2 = b are orthogonal y=ax^3? A: Questioner: mary Category: Calculus Private: No Subject: calculus 1Show that the family of ... | |
| Parametric equations | 3/27/2008 |
| Q: It's has been awhile since I worked with derivatives and antiderivative. Can you check if I did ... A: Questioner: Ann Category: Calculus Subject: parametric? It's has been awhile since I ... | |
| Related Rates | 3/27/2008 |
| Q: At 9am ship A is 50km east of ship B. Ship A is sailing north at 40km/h and ship B is sailing south ... A: Questioner: Raj Category: Calculus Private: No Subject: Related RatesAt 9am ship A is 50km ... | |
| Related Rates | 3/26/2008 |
| Q: a particle is moving along the curve y= x^1/2. As the particle passes (4,2), it's x-coordinate ... A: Questioner: harman Category: Calculus Private: No Subject: related ratesa particle is ... | |
| Implicit differentiation. | 3/26/2008 |
| Q: What is the slope of the line tangent to the curve 3y^2-2x^2=6-2xy at the point (3,2)? This review ... A: Questioner: Lissa Category: Calculus Private: No Subject: Finding Slope of tangentWhat is ... | |
| implicit differentiation | 3/25/2008 |
| Q: Consider the graph defined implicitly by x^2 + 3xy + y^2 = 5. A) Find the coordinates of any point ... A: Questioner: Connie Category: Calculus Private: No Subject: implicit ... | |
| Related Rates | 3/25/2008 |
| Q: The trunk of a tree is approximately cylindrical in shape and has a diameter of 1m when the height ... A: Questioner: A.A Category: Calculus Private: No Variables: r = radius of trunk. V = volume ... | |
| Related Rates | 3/24/2008 |
| Q: Question 1) A water trouph is 6m long and has a cross-section in the shape of an isosceles ... A: Questioner: Raj Category: Calculus Private: No Subject: Related RatesQuestion 1) A water ... | |
| Related Rates | 3/24/2008 |
| Q: The trunk of a tree is approximately cylindrical in shape and has a diameter of 1m when the height ... A: Questioner: A.A Category: Calculus Private: No Subject: Related RatesThe trunk of a tree ... | |
| Related Rates | 3/24/2008 |
| Q: 2 posts are 10m apart and each is 20m high. On top of one of the posts, there is a lamp. On top of ... A: Questioner: Raj Category: Calculus Private: No Subject: Related Rates2 posts are 10m apart ... | |
| Difference quotient | 3/23/2008 |
| Q: Q1.find the Difference Quotient f(x+h)-f(x)/h and simplify the result A) f(x)=1/x B) f(x)=1/radical ... A: Questioner: Ghous Khan Category: Calculus Private: No Subject: FunctionsQ1.find the ... | |
| Related Rates | 3/23/2008 |
| Q: 2 posts are 10m apart and each is 20m high. On top of one of the posts, there is a lamp. On top of ... A: Questioner: Raj Category: Calculus Private: No Subject: Related Rates2 posts are 10m apart ... | |
| Implicit differentiation. | 3/22/2008 |
| Q: x^(3) + y^(3)= 28 Find y''(x)at the point (3,1) I solved for y' easily: 3x^(2) + 3y^(2)*y' = 0 ... A: Questioner: aliya Category: Calculus Private: No Subject: implicit differentiationx^(3) + ... | |
| Integration of trig function | 3/21/2008 |
| Q: I am trying to integrate (sin^3(x))/sqrt cos(x) I trying to use integration by parts. I keep ... A: Questioner: Mark Category: Calculus Private: No Subject: Integration of trig function ... | |
| Related Rates | 3/20/2008 |
| Q: A plane flying with a constant speed of 14 km/min passes over a ground radar station at an altitude ... A: Questioner: melissa Category: Calculus Private: No Subject: calculusA plane flying with a ... | |
| Basic differentiation - Product Rule | 3/16/2008 |
| Q: I am confused when it comes to finding the second derivative of a function. An example of this is ... A: again, Aaron,I am confused about when >> Whenever you have more than one term. [And after 10:00 ... | |
| Basic differentiation - Product Rule | 3/16/2008 |
| Q: I am confused when it comes to finding the second derivative of a function. An example of this is ... A: Questioner: Aaron Category: Calculus Private: No Subject: Need help with finding second ... | |
| Basic differentiation. | 3/13/2008 |
| Q: I have had previous experience in Calculus but have not done any maths for a few years now and can't ... A: Questioner: Gaylene Category: Calculus Private: No Subject: AP calculusI have had previous ... | |
| Basic integrals. | 3/9/2008 |
| Q: how do you integrate the following? please help with any that you can do. the questions are in the ... A: Cody, That is a lot of examples. If you can't do any of these you are probably taking a subject ... | |
| Power series - convergence | 3/8/2008 |
| Q: A function f is defined by f(x)= 1/3 + (2/3^2)x + (3/3^3)x^2 + ...+ [(n+1)/3^(n+1)]x^n +.... for ... A: Questioner: Anna Category: Calculus Private: No Subject: cal bcA function f is defined by ... | |
| Velocity and acceleration. | 3/7/2008 |
| Q: A particle starts at the point (5,0) at t=0 and moves along the x-axis in such a way that at time ... A: Questioner: Joe Allen Category: Calculus Private: No Subject: CaLculusA particle starts at ... | |
| Velocity and acceleration. | 3/7/2008 |
| Q: A particle starts at the point (5,0) at t=0 and moves along the x-axis in such a way that at time ... A: Questioner: Joe Allen Category: Calculus Private: No Subject: CaLculusA particle starts at ... | |
| Curve sketching with derivatives. | 3/6/2008 |
| Q: After having found f '(x)= 2(1-x^2) / sqrt 2-x^2 ( from the given function: f(x)= x(sqrt 2-x^2) I ... A: Questioner: Shawna Category: Calculus Private: No Subject: second derivativesAfter having ... | |
| Related Rates | 3/5/2008 |
| Q: A fish is being reeled in at a rate of 2 meters / second (that is, the fishing line is being ... A: Questioner: chester castellano Category: Calculus Private: No Subject: help << Do better ... | |
| Related Rates | 3/5/2008 |
| Q: The Monticello High School swimming pool is an inverted cone with height 20 meters and radius 5 ... A: Questioner: chester castellano Category: Calculus Private: No Subject: help << That's not ... | |
| Integration by Substitution | 3/4/2008 |
| Q: I need help with this integration problem: Directions: Evaluate the indefinite integral. 1. I have ... A: Questioner: Caroline Category: Calculus Private: No Subject: Integration by ... | |
| Related Rates | 3/4/2008 |
| Q: Good evening, A baseball diamond is a square with sides of 90 ft each. A batter hits the ball and ... A: Questioner: Andrew Category: Calculus Private: No Subject: Relative rates...Good evening, ... | |
| Related Rates | 3/3/2008 |
| Q: A rectangle’s base b is increasing at a rate of one unit per second,and its height h is increasing ... A: Questioner: Shoota Category: Calculus Private: No Subject: ClaculusA rectangle’s base b ... | |
| Limits at infinity. | 3/3/2008 |
| Q: HOW TO SOLVE lim x tends to infinity { [3+lnx]/[2lnx-1]} A: Questioner: krishnamoorthy Category: Calculus Private: No Subject: CALCULUS INDETERMINATE ... | |
| Areas and volumes by integration. | 2/29/2008 |
| Q: I DO NOT EXPECT YOU TO DO THIS PROBLEM. This time I will give as much information as possible. I ... A: Questioner: Mark Category: Calculus Private: No Subject: Any Suggestions for this ... | |
| Related Rates | 2/29/2008 |
| Q: Slag left over from the manufacture of cement is being piled outside a cement plant. The resulting ... A: Questioner: cameron Category: Calculus Private: No Subject: calcSand is being piled onto a ... | |
| Related Rates | 2/28/2008 |
| Q: A 200 foot tree is falling in the forest; the sun is directly overhead. At the moment when the tree ... A: Questioner: Andy Category: Calculus Private: No Subject: gr.12 Calculus - related ratesA ... | |
| Related Rates | 2/27/2008 |
| Q: About the text book we arent provided with any, we just follow notes done by our teacher. I'm having ... A: Questioner: priyanka Category: Calculus Private: No Subject: calculus/vectors gr 12About ... | |
| infinite series | 2/26/2008 |
| Q: How do you prove the convergence or divergence of the infinite series from one to infinity 1/ln(n)? ... A: Questioner: Hope Category: Calculus Private: No Subject: infinite seriesHow do you prove ... | |
| Related Rates | 2/26/2008 |
| Q: I was wondering if you could help me out with this calculus, related rates problem. The radius of a ... A: Questioner: Micheal Category: Calculus Private: No Subject: Related RatesHi Paul, I was ... | |
| Vertex of a parabola | 2/25/2008 |
| Q: "I understand what a vertex is and how to find it on a graph or a graphing calculator but, do not ... A: Questioner: Sarah Category: Calculus Private: No Subject: How to find the vertex of a ... | |
| Related Rates | 2/25/2008 |
| Q: A ship is moving at the rate of 600 feet per minute. A man in the top level of the ship, 20 feet ... A: Questioner: Alexandra Category: Calculus Private: No Subject: Related RatesA ship is ... | |
| Applications of derivatives. | 2/24/2008 |
| Q: Suppose you put a potato in a hot oven, maintained at a constant temperature of 200 degrees Celsius. ... A: Questioner: Madeline Category: Calculus Private: No Subject: Section: Short Cuts to ... | |
| Delta epsilon Method Precise Limits | 2/23/2008 |
| Q: lim (x+6)/x = 4 as x->2 I find delta=epsilon/3 There is an online applet at ... A: Questioner: Mark Category: Calculus Private: No Subject: Delta epsilon Method Precise ... | |
| related rates | 2/23/2008 |
| Q: A 14-ft long ladder is leaning against the side of a house, forming a right triangle with the ground ... A: Questioner: James Category: Calculus Private: No Subject: related ratesA 14-ft long ladder ... | |
| related rates | 2/22/2008 |
| Q: Two airplanes at the same height are flying away from an airport at a right angle to each other. ... A: Questioner: James Category: Calculus Private: No Subject: related ratesTwo airplanes at ... | |
| Related Rates | 2/22/2008 |
| Q: A light shines from the top of a streetlight 30 ft. off the ground. A ball is dropped from the same ... A: Questioner: James Category: Calculus Private: No Subject: related ratesA light shines from ... | |
| Quadratic equation disguised. | 2/16/2008 |
| Q: find the possible values of x for which 2^2x+1 = 3(2^x)-1 i got up to: (2x+1)log2 = 3(2^x)-1 ... A: Questioner: charlotte Category: Calculus Private: No Subject: logarithmsfind the possible ... | |
| Trigonometric integrals - fun and games | 2/16/2008 |
| Q: I am asked to integrate [sin^3(x) cos^3(x)] SO: u=sin(x) du=cos(x) dx Now: sin^3(x) cos^2(x) ... A: Questioner: Mark Category: Calculus Private: No Subject: IntegrationI am asked to ... | |
| Basic differentiation - Product Rule | 2/14/2008 |
| Q: This has to do with the product rule, but asks to differentiate and then write the derivative in ... A: Questioner: Christine Category: Calculus Private: No Subject: CalculusThis has to do with ... | |
| Basic differentiation - Chain Rule | 2/13/2008 |
| Q: This is on the Marginal Analysis in Business and Economics section. The question is to use the ... A: Questioner: Christine Category: Calculus Private: No Subject: CalculusThis is on the ... | |
| Basic differentiation. | 2/13/2008 |
| Q: given the function f(x) = 10x + 3/x evaluate the derivative of f(x) at x = 3 How do I start this ... A: Questioner: Jill Category: Calculus Private: No Subject: Calculus: Differentiationsgiven ... | |
| Functional notation | 2/12/2008 |
| Q: Suppose w = f(x) is the average daily quantity of water required by a tree of height x feet. 1. ... A: Questioner: Elaine Category: Calculus Private: No Subject: IntegrationSuppose w = f(x) is ... | |
| Curve Sketching Problems | 2/11/2008 |
| Q: I am in Calculus 118, and I am in the 3 chapter right now. We have been assigned 5 different ... A: Questioner: Samantha Category: Calculus Private: No Subject: Curve Sketching ProblemsDear ... | |
| Definition of Derivative | 2/11/2008 |
| Q: My question asks: Using the definition of the derivative, i.e. (f(x+h)-f(x)]/h and taking the ... A: Questioner: Andrew Category: Calculus Private: No Subject: Trigonometric Derivative..My ... | |
| Induction | 2/7/2008 |
| Q: I really need help solving this proof. Prove by induction on n, that a^-n= (a^n)^-1 for any positive ... A: Questioner: Jen Category: Calculus Private: No Subject: Prove by inductionHi I really need ... | |
| Volume by disks. | 2/7/2008 |
| Q: I am taking Integral Calculus and have the following problem. Find the Volume, V, of the solid ... A: Questioner: Danielle Category: Calculus Private: No Subject: Volume by IntegrationI am ... | |
| Calculus - Tangent & Secant lines | 2/6/2008 |
| Q: given the function f(x) = 3x^2 +4x +12 find the slope of the line connecting (3,f(3)) and (5,f(5)). ... A: Questioner: Jill Category: Calculus Private: No Subject: Calculus - Tangent & Secant ... | |
| Series - convergence | 2/5/2008 |
| Q: does the series from 1 to infinity of (1 - (2/n))^3n convegre or diverge. i've tried almost all the ... A: Questioner: sean Category: Calculus Private: No Subject: series converge or divergedoes ... | |
| Related Rates Question | 2/5/2008 |
| Q: I have been studying related rates but this question confuses me as to what formula to use. A ... A: Questioner: Aly Category: Calculus Private: No Subject: Related Rates QuestionI have been ... | |
| Permutations with repeated elements. | 2/3/2008 |
| Q: these are a few questions (Permutations) I have attempted.Could you please guide me if I am going ... A: Questioner: Jon Category: Calculus Private: No Subject: Mathshi.these are a few questions ... | |
| Distance and velocity. | 2/2/2008 |
| Q: an object is moving in a striaght line awy from a fixed point on that line. Its distance (in fee) ... A: Questioner: Jennifer Category: Calculus Private: No Subject: Calculus: Distance s(t) ... | |
| Curve sketching with derivatives. | 2/2/2008 |
| Q: Given the following conditions, sketch the given funcion a.) f(0)=f(2)=0 b.) f'(x)<0 if x<1 c.) ... A: Questioner: Julianne Category: Calculus Private: No Subject: calculusGiven the following ... | |
| logistic growth | 1/31/2008 |
| Q: Biologist stocked a lake with 400 fish and estimated the carrying capacity (the maximum population ... A: Questioner: ann Category: Calculus Private: No Subject: logistic growthBiologist stocked a ... | |
| Maximum-minimum problem. | 1/31/2008 |
| Q: I am having trouble figuring out this problem: Assume that operating cost of a certain truck ... A: Questioner: Jonathan Category: Calculus Private: No Subject: Most economical speed to ... | |
| Limits and rationalizing. | 1/30/2008 |
| Q: Prove that: lim (1-cos x)/(x) = 0 (x --> 0) I know how to prove the first part of this ... A: Questioner: Al Category: Calculus Private: No Subject: Proof for a theoremProve that: lim ... | |
| Part of torus volume | 1/29/2008 |
| Q: I am looking for an equation that would calculate the volume of a part of a Torus. I such a way as ... A: Questioner: Georges Category: Calculus Private: No Subject: Part of torus volumeI am ... | |
| Limits - basic | 1/28/2008 |
| Q: I can't figure out the limit for this one.. f(x)=(x^2-3x-10)/(x^2+10x+16) lim as x approaches -2 ... A: Questioner: Aliya Category: Calculus Private: No Subject: limitsI can't figure out the ... | |
| Work Applied on Spring | 1/28/2008 |
| Q: my first online question lol, here goes, Suppose that 2J of work is needed to stretch a spring from ... A: Questioner: Alan Category: Calculus Private: No Subject: Work Applied on Springmy first ... | |
| Probability of Independent Events | 1/25/2008 |
| Q: Would you please help me with followingGiven two independent, fair 6-sided dice: (1) What is the ... A: Questioner: Sandy Category: Calculus Private: No Subject: DiceHi, Would you please help ... | |
| Velocity and acceleration. | 1/24/2008 |
| Q: at time t=0 , a jogger is running at a velocity of 300 meters per minute. The jogger is slowing down ... A: Questioner: Ann Category: Calculus Private: No Subject: calculusat time t=0 , a jogger is ... | |
| Trig Substitution | 1/24/2008 |
| Q: I am studying integration by trig substitution. I am asked to integrate [sqrt((x^2) + a^2)] / x I ... A: Questioner: Mark Category: Calculus Private: No Subject: Trig SubstitutionI am studying ... | |
| 3rd degree polynomial... | 1/23/2008 |
| Q: If a polynomial has root at x=a , then x-a is a factor of the polynomial. Find a 3rd degree ... A: Questioner: Andrew Category: Calculus Private: No Subject: 3rd degree polynomial... ... | |
| Calculus Readiness | 1/23/2008 |
| Q: I know you usually get baraged by a plethora of numbers, but I have a different math question. If I ... A: Questioner: Jacob Category: Calculus Private: No Subject: ReadinessHello! I know you ... | |
| derivatives | 1/22/2008 |
| Q: I am working on this problem... but need help to proceed Find the absolute minimum of f(x)=100e^-x ... A: ANSWER: Questioner: vince Category: Calculus Private: No Subject: derivativesHi Paul, I am ... | |
| derivatives | 1/22/2008 |
| Q: I am working on this problem... but need help to proceed Find the absolute minimum of f(x)=100e^-x ... A: Questioner: vince Category: Calculus Private: No Subject: derivativesHi Paul, I am ... | |
| Trig substitution. | 1/21/2008 |
| Q: Using trig Substitution: I am to integrate 1/sqr((e^2x)-1) Because of this form I use the ... A: Questioner: Mark Category: Calculus Private: No ---------- FOLLOW-UP ----------I had let ... | |
| Trig substitution. | 1/21/2008 |
| Q: Using trig Substitution: I am to integrate 1/sqr((e^2x)-1) Because of this form I use the ... A: Questioner: Mark Category: Calculus Private: No Subject: Trig SubstitutionUsing trig ... | |
| Maximum-minimum problem. | 1/19/2008 |
| Q: Can you help me with this one ... Find the area of the largest rectangle with sides parallel to the ... A: Questioner: vince Category: Calculus Private: No Subject: calculus - optimizationHi Paul, ... | |
| calculus - second derivative, inflection point | 1/18/2008 |
| Q: If I have a function y=(3x-5)^k, where k is +ve and k>0 When will I have inflection points based on ... A: Questioner: vince Category: Calculus Private: No Subject: calculus - second derivative, ... | |
| l'Hospital's rule. | 1/18/2008 |
| Q: if I have a function s(t) =t^3-3t^2+t+3 that describes distance of a particle from the origin on the ... A: Questioner: vince Category: Calculus Private: No Subject: calculusI have a question on ... | |
| Total distance and max-min. | 1/17/2008 |
| Q: if I have a function s(t) =t^3-3t^2+t+3 that describes distance of a particle from the origin on the ... A: Questioner: vince Category: Calculus Private: No Subject: calculusif I have a function ... | |
| Newton's Method | 1/16/2008 |
| Q: For Newton's Method, I can work easily if it was just one equation but this problem here, gave me ... A: Questioner: Elaine Category: Calculus Private: No Subject: Newton's MethodHello! For ... | |
| Maximum-minimum problem. | 1/15/2008 |
| Q: A silo is to constructed in the form of a cylinder (only 1 of 2 bases included) topped by a ... A: Questioner: James Category: Calculus Private: No Subject: calculus with applicationsA silo ... | |
| Functional notation | 1/13/2008 |
| Q: i have tried doing these three problems, but i cannot seem to get the answer. i would appreciate it ... A: Questioner: kacey Category: Calculus Private: No Subject: pre-calhi. i have tried doing ... | |
| Basic curve sketching with derivatives. | 1/13/2008 |
| Q: Klarreich, I have two math questions that I have had difficulty answering. I would very much ... A: Questioner: Patsy Category: Calculus Private: No Subject: functionsDear Mr. Klarreich, I ... | |
| Maximum-minimum problem - rowing & walking | 1/11/2008 |
| Q: this question confuses me.. 01. a man is in a boat 2 miles from the nearest point on the coast. he ... A: Questioner: alex Category: Calculus Private: No Subject: minimum timehello again. thank ... | |
| Maximum-minimum problem. | 1/10/2008 |
| Q: 1) find the dimensions of the trapezoid of greatest area that can be inscribed in a semicircle of ... A: Alex, I know -- things like this strike terror into the hearts of many studnts. (Along with ... | |
| Maximum-minimum problem. | 1/10/2008 |
| Q: A rectangle is bounded by the x-axis and the semicircle y = radical (25-x^2). What length and width ... A: Questioner: Elaine Category: Calculus Private: No Subject: Optimization ProblemA rectangle ... | |
| Maximum-minimum problem. | 1/8/2008 |
| Q: I have a question concerning this problem: ... A: Questioner: Elaine Category: Calculus Private: No Subject: Optimization ProblemI have a ... | |
| Trigonometric identities | 1/8/2008 |
| Q: find the value of sin(alpha + theta) if sin alpha= 3/5, cos theta= 12/13, 0 degrees < alpha < 90 ... A: Questioner: arlene Category: Calculus Private: No Subject: analysis of functionsfind the ... | |
| Differentiation of exponential | 1/7/2008 |
| Q: I am trying to take the derivative of y=x^(x^x) Here goes. ln(y)=ln(x^(x^x))=(x^x) ln(x) ... A: Questioner: Mark Category: Calculus Private: No Subject: DifferentiationI am trying to ... | |
| Maximum-minimum problem. | 1/7/2008 |
| Q: I’m struggling a bit in this topic in my Calculus class… 1) An open box of a maximum volume is to be ... A: Questioner: Elaine Category: Calculus Private: No Subject: AP Calculus: Optimization ... | |
| Maximum-minimum problem. | 1/6/2008 |
| Q: A rectangle is to be inscribed in a right triangle with sides 6,8, and 10. Find the dimensions of ... A: Questioner: Allana Category: Calculus Private: No Subject: I need help asap!A rectangle is ... | |
| Related Rates | 1/6/2008 |
| Q: please help me with the following problem: A man 5 ft tall walks at the rate of 5 ft/sec toward a ... A: Questioner: sinclair Category: Calculus Private: No Subject: related ratesHello professor, ... | |
| Graphs and derivatives. | 1/5/2008 |
| Q: Hey, I am a first year calculus student. We are currently on the chapter with logarithmic ... A: Questioner: salim khan Category: Calculus Private: No Subject: Calculus first year ... | |
| Inverse Trig Forms (Differentials) | 1/1/2008 |
| Q: My text book derives the differential of Arcsin(u/a) where a is a constant by: d(Arcsin u/a) = ... A: Questioner: Mark Category: Calculus Private: No Subject: Inverse Trig Forms ... | |
| Basic differentiation - Chain Rule | 12/31/2007 |
| Q: y=2sin^3(2x^4) I need to find to the derivative. I tried spliting it into y = 2sin(2x^4) * sin(2x^4) ... A: Questioner: Catia Category: Calculus Private: No Subject: Calculusy=2sin^3(2x^4) I need to ... | |
| Difference quotient | 12/30/2007 |
| Q: I need to use the definition of the derivative to find the derivative of f(x)=1/(sqr rt x+1). I ... A: Questioner: Mike Category: Calculus Private: No Subject: DerivativesI need to use the ... | |
| Studying Habits | 12/30/2007 |
| Q: When I study calculus, I can solve all the initial problems in the given exercises of topics. When I ... A: Questioner: Mark Category: Calculus Private: No Subject: Studying HabitsWhen I study ... | |
| Graphs and derivatives. | 12/29/2007 |
| Q: let f''(x)=4x^3-2x and let f(x) have critical numbers -1,0, and 1.Use the Second derivative test to ... A: Questioner: Joyice Harris Category: Calculus Private: No Subject: AP calculuslet ... | |
| Graphs and derivatives. | 12/29/2007 |
| Q: What are the values of x that give relative extrema for the function f(x)=3x^5-5x^3 A: Questioner: Joyice Harris Category: Calculus Private: No Subject: AP calculusWhat are the ... | |
| Integration | 12/28/2007 |
| Q: Let R be the region in the first quadrant under the graph of y = 1/square root of x for 4 <or equal ... A: Questioner: Stephano Category: Calculus Private: No Subject: AP CalculusLet R be the ... | |
| Volume by disks. | 12/28/2007 |
| Q: The link to the graph is: http://img409.imageshack.us/img409/2923/areaoi2.jpg The shaded regions R1 ... A: Questioner: Stephano Category: Calculus Private: No Subject: AP CalculusThe link to the ... | |
| Velocity and acceleration. | 12/27/2007 |
| Q: A particle moves along the x-axis in such a way that its acceleration at time t for t is greater ... A: Questioner: Stephano Category: Calculus Private: No Subject: AP CalculusA particle moves ... | |
| Integration | 12/21/2007 |
| Q: I am trying to integrate (1-sin x)/(1+cos x). I have reviewed all my my trig identities, but to no ... A: Questioner: Mark Category: Calculus Private: No Subject: IntegrationI am trying to ... | |
| optimization problems for my AP calc class | 12/17/2007 |
| Q: http://en.allexperts.com/q/Calculus-2063/Application-Differentation.htm i was looking at this ... A: ANSWER: Hi, Sara, I think I got it right. I find this in the answer: ... | |
| optimization problems for my AP calc class | 12/16/2007 |
| Q: http://en.allexperts.com/q/Calculus-2063/Application-Differentation.htm i was looking at this ... A: Sara, I think I got it right. I find this in the answer: ======================================= ... | |
| Max-Min | 12/9/2007 |
| Q: Calculus 1: The sum of a number and twice another number is 10. Find the largest possible product. ... A: Questioner: Courtney Category: Calculus Private: No Subject: Help!Calculus 1: The sum of ... | |
| Critical points of a graph. | 12/8/2007 |
| Q: I have to graph the equation f(x)=x+ (32/x^2) and I am confused because I do not know how to find ... A: Questioner: Annie Category: Calculus Private: No Subject: Finding critical #Hi, I have to ... | |
| Max-Min; Previously Posted Question | 12/8/2007 |
| Q: http://en.allexperts.com/q/Calculus-2063/Maximum-minimum-problems-2.htm?zIr=5 For that problem, I ... A: Questioner: Casey Category: Calculus Private: No Subject: Previously Posted ... | |
| What is chain and power rule? | 12/7/2007 |
| Q: What is chain and power rule? and how can I memorize this easily? Is there a verbal words that can ... A: Questioner: Abigail Category: Calculus Private: No Subject: What is chain and power ... | |
| Understanding Calculus | 12/7/2007 |
| Q: Derivatives help to determine when a function is increasing or decreasing, concave up or concave ... A: Questioner: Abigail Category: Calculus Private: No Subject: Understanding ... | |
| Integration applications. | 12/6/2007 |
| Q: At time t, t is greater than or equal to zero, the volume of a sphere is increasing at a rate ... A: Questioner: William Category: Calculus Private: No Subject: AP CalculusAt time t, t is ... | |
| Related Rates--Circles | 12/6/2007 |
| Q: OK, so I'm having a really hard time with this problem. I've never been good with parametric ... A: Questioner: Brittany Category: Calculus Private: No Subject: Related Rates--CirclesOK, so ... | |
| Graph sketching. | 12/5/2007 |
| Q: I have no clue how to do this problem and i've been working on it for quit a while now. graph for ... A: Questioner: jess Category: Calculus Private: No Subject: calculus homework questionI have ... | |
| Integration applications. | 12/4/2007 |
| Q: I am having trouble with the following problem... function f(x)= x^2+1 a) find the approximate area ... A: Questioner: Danielle Category: Calculus Private: No Subject: calculus problemI am having ... | |
| Related rates | 12/4/2007 |
| Q: I'm having a hard time with a related rates problem and i can't seem to find out how to do it ... A: Questioner: Sarah Category: Calculus Private: No Subject: related rates! >> Let's not get ... | |
| Business Calculus | 12/3/2007 |
| Q: the question is: given marginal revenue R'(x)= 10 and marginal cost C'(x)= 80-0.1x Fixed cost are ... A: Questioner: Dyan Category: Calculus Private: No Subject: Business Calculusthe question is: ... | |
| applying derivatives. | 12/2/2007 |
| Q: Please help me with my calculus problems. 8. the amount of illumination is proportional to the ... A: Questioner: Punjab Category: Calculus Private: No Subject: applying derivatives.Please ... | |
| Max/Min using trig functions | 12/2/2007 |
| Q: I am studying a Chapter on "Differentiation of Transcendental Functions". My problem is to solve ... A: Questioner: Mark Category: Calculus Private: No Subject: Max/Min using trig functionsI am ... | |
| Indeterminate forms, l'Hospital's Rule | 12/1/2007 |
| Q: I am needing help with another of my homework problems. Can you please tell me how I should go about ... A: Questioner: Danielle Category: Calculus Private: No Subject: Indeterminate limitsHello, I ... | |
| Max/Min | 12/1/2007 |
| Q: I have to find the are of the largest rectangle with a perimeter of 12 feet. I set up the ... A: Questioner: Mark Category: Calculus Private: No Subject: Max/Min using trig functionsI ... | |
| Integration applications. | 11/30/2007 |
| Q: I have three questions that I really need help with. The book I'm using does not show how to solve. ... A: Questioner: Cindy Category: Calculus Private: No Subject: CalculusHello and good ... | |
| Related Rates: Angle Problems | 11/30/2007 |
| Q: I'm having a really tough time understanding problems where the angle is changing. I thought I ... A: Questioner: Mike Category: Calculus Private: No Subject: Related Rates: Angle ProblemsI'm ... | |
| Derivative of inverse trig functions and e^x | 11/29/2007 |
| Q: I'm having trouble with a calculus homework question. The answer that I derived is not one of the ... A: Questioner: Danielle Category: Calculus Private: No Subject: Derivative of inverse trig ... | |
| folding a rectangular piece of paper | 11/29/2007 |
| Q: Cut a standard 8.5 x 11 piece of paper into a strip of length 8.5 inches. The width is irrelevant. ... A: Questioner: Max Category: Calculus Private: No Subject: folding a rectangular piece of ... | |
| Related Rates | 11/28/2007 |
| Q: the I got stuck with the followingA ship K, is sailing due north at 16 km/h, and a second ship R, ... A: Questioner: Ruedi Category: Calculus Private: No Subject: Simple Related Rates problemHi. ... | |
| Continuous Compound Interest | 11/27/2007 |
| Q: I am taking a beginning calculus class and I have a questions concerning determining the annual % ... A: Questioner: Danielle Category: Calculus Private: No Subject: Calculus: Compound ... | |
| Area between two curves. | 11/26/2007 |
| Q: Find the area of the region bounded by the curves: y = 8x^2 y = the square root of x A: Questioner: Alex Category: Calculus Private: No Subject: calculus: the definite ... | |
| Function defined as an integral. | 11/25/2007 |
| Q: I'm not quite sure if this question is an application of the Mean Value Theorem, but I don't think ... A: Questioner: Mark Category: Calculus Private: No Subject: CalculusI'm not quite sure if ... | |
| Velocity and acceleration | 11/24/2007 |
| Q: we have a graph of the position function of a moving particle. how do we determine when: a) the ... A: Category: Calculus Private: No Subject: calculus moving particle questionwe have a graph of ... | |
| Derivative of tan x | 11/23/2007 |
| Q: I have a question about how to make the verfication of the derivative of tan(x) with the lim ... A: Questioner: Antonio Category: Calculus Private: No Subject: derivates-trigonometryI have a ... | |
| Graph sketching. | 10/19/2007 |
| Q: Graph the equation y=(ax+b)/(x^2-c)and find what a, b, and c are Conditions: y(-x)=x (Someone said ... A: Questioner: Sara Category: Calculus Private: No Subject: calculus ABGraph the equation ... | |
| Velocity and acceleration | 10/19/2007 |
| Q: Again I need help...An astronaut standing on the moon throws a rock into the air. The height of the ... A: Questioner: Bryce Category: Calculus Private: No Subject: Velocity and acceleration.Again ... | |
| Maximum-minimum problems | 10/18/2007 |
| Q: A manufacturer wants to design an open-top box having a square base and a surface area of 108 square ... A: Questioner: Ashley White Category: Calculus Private: No Subject: Optimization << I changed ... | |
| Limits and continuity | 10/18/2007 |
| Q: Using the sandwich theorem, show that lim x->0 x^4(1-cosx)=0 A: Questioner: Maria Category: Calculus Private: No Subject: questionUsing the sandwich ... | |
| Related rates | 10/17/2007 |
| Q: The wind is carrying a balloon west at a constant speed of 100 ft/min. Meanwhile the balloon is ... A: Questioner: Korey Category: Calculus Private: No Subject: CalculusThe wind is carrying a ... | |
| Related rates | 10/17/2007 |
| Q: Please help. A particle is moving along the graph of y=^3square root of x. When x=8, the y ... A: Questioner: Bryce Category: Calculus Private: No Subject: GraphsPlease help. A particle ... | |
| Tangent lines | 10/16/2007 |
| Q: Could you help me with this? Graph the two parabolas y=x^2 and y=-x^2+2x-5 in the same coordinate ... A: Questioner: Bryce Category: Calculus Private: No Subject: CalculusCould you help me with ... | |
| Intermediate Value | 10/16/2007 |
| Q: I needed help with the following problem: Given that f(x)=x^4-x^2+5x+2, show that there exist at ... A: Questioner: Dragos Category: Calculus Private: No Subject: Calculus IHi I needed help ... | |
| Table of Integral Proofs | 10/15/2007 |
| Q: I am going over a table of integrals, and trying to see how some of the formulas were derived so ... A: Questioner: Doug Category: Calculus Private: No I am going over a table of integrals, and ... | |
| Parametric equations | 10/14/2007 |
| Q: differentiation of implicit functions are simple no? but what happens when a function x = (1 t)^1/2 ... A: Questioner: liz Category: Calculus Private: No Subject: calculusdifferentiation of ... | |
| Implicit differentiation. | 10/14/2007 |
| Q: seemingly simple differentiation giving me a head ache. the formula is arctan y/x = ln (x^2 ... A: Questioner: Eliza Category: Calculus Private: No Subject: Calculusseemingly simple ... | |
| Derivatives - product and chain rule. | 10/13/2007 |
| Q: i can't seem to get the differential of the formula y= x/2 (cos lnx + sin lnx), i started by using ... A: Questioner: ZEE Category: Calculus Private: No Subject: calculusI can't seem to get the ... | |
| Continuous functions | 10/13/2007 |
| Q: for f(x) =2x^(5/3) - 5x^(4/3)how can I prove whether or not there is a vertical asymptote? Thank ... A: Questioner: Andrew Category: Calculus Private: No Subject: Calculus 1for f(x) = 2x^(5/3) - ... | |
| Trigonometric functions | 10/12/2007 |
| Q: *Find cscx if cosx=2sqrt6/7 and x lies in quadrant I specific number answer *Find cos(2x) if ... A: Questioner: Danixa Category: Calculus Private: No Subject: Pre-Calculus*Find cscx if ... | |
| Trigonometric Identities | 10/12/2007 |
| Q: sinxcos^3x-cosxsin^3x=1/4sin4x Verify the identity. Thanks a million! These identities are killing ... A: Questioner: Cherry Category: Calculus Private: No Subject: trig ... | |
| Trigonometric Identities | 10/11/2007 |
| Q: I keep on ending up at a dead end with these two problems. Can you help me? sec(x)csc(x)/ tan(x)+ ... A: Questioner: Daniel Garcia Category: Calculus Private: No Subject: Please help me solve ... | |
| Related rates | 10/10/2007 |
| Q: Could you help me with this question. If the edge of a metal cube is decreasing at a rate of ... A: Questioner: Bryce Category: Calculus Private: No Subject: Decreasing rate of a cubeCould ... | |
| Trigonometric Identities | 10/10/2007 |
| Q: I am having trouble with these two problems. Please help. I appreciate any I can get. Here are the ... A: Questioner: Cherry Category: Calculus Private: No Subject: trig identitiesI am having ... | |
| Limits | 10/9/2007 |
| Q: I had Calculus many, many years ago. As my son takes Calculus, I'm working some of the problems to ... A: Questioner: John Category: Calculus Private: No Subject: LimitsI had Calculus many, many ... | |
| integration | 10/8/2007 |
| Q: Umm sry Mr Klarreich, but i typed that last problem wrong. See it wasnt as easy as the one I gave ... A: Questioner: Jeff Category: Calculus Private: No Subject: integrationUmm sry Mr Klarreich, ... | |
| integration problems | 10/8/2007 |
| Q: Hey Paul or Mr Klarreich (whatever you prefer) thanks for helping me. So I have four difficult ... A: Questioner: Jeff Category: Calculus Private: No Subject: integration problemsHey Paul or ... | |
| Limits | 10/7/2007 |
| Q: My teacher sucks hard. Im basically trying to self-teach calculus. I'm stuck up on limits. Is there ... A: Questioner: Alex Category: Calculus Private: No Subject: Limits ---------- FOLLOW-UP ... | |
| Limits | 10/7/2007 |
| Q: My teacher sucks hard. Im basically trying to self-teach calculus. I'm stuck up on limits. Is there ... A: Questioner: Alex Category: Calculus Private: No Subject: Precalc/Calc limit questionsMy ... | |
| Trigonemetry - sine curves | 10/5/2007 |
| Q: I really need help for my math homework. Here is the problem. h(t)= 13sin(4tpi-(pi/2)) + 13 The ... A: Questioner: simhadri Category: Calculus Private: No Subject: homework helpHi,I really need ... | |
| Domain of a function. | 10/5/2007 |
| Q: How do you find the domain of a function with a square root in it for example f(x)= sqr x(x-1) I ... A: Questioner: Veronica Category: Calculus Private: No Subject: Calculus problemHow do you ... | |
| Infinite series, with a moral | 10/4/2007 |
| Q: show the infinite series has the values S=4 at x=1/2: S=1+2x+3x^2 =4x^3... A: Questioner: Greg Category: Calculus Private: No Subject: infinite seriesshow the infinite ... | |
| differentiation | 10/4/2007 |
| Q: differentiate sinx+cosx=1.5 w.r.t cosx A: Questioner: vishnu Category: Calculus Private: No Subject: differentiationdifferentiate ... | |
| Velocity and acceleration | 10/3/2007 |
| Q: If a gun is fire with angle 30 Degrees(*) and Vo 500m/sec. when will the Bullet hit the ground. What ... A: Questioner: Israel Category: Calculus Private: No Subject: Need some help parametric ... | |
| Inverses of functions | 9/25/2007 |
| Q: If g(x)= 3+x+e^x find g^(-1) when x=4 A: Questioner: manju Category: Calculus Private: No Subject: calculusIf g(x)= 3+x+e^x find ... | |
| Centroid of a sector. | 9/24/2007 |
| Q: Paul Klarreich I am an Assistant Engineer, and gone through your reply to Mr.Aswin Kumar Dated ... A: Questioner: Pachamuthu Category: Calculus Private: No B. Do you mean that you will take a ... | |
| Integration by Parts | 9/24/2007 |
| Q: How would I integrate sin(sqrt x)dx? A: Questioner: Emily Category: Calculus Private: No Subject: Calculus - Integration by ... | |
| Volume of Torus which has circular segment cross section | 9/23/2007 |
| Q: Paul Klarreich I am an Assistant Engineer, and gone through your reply to Mr.Aswin Kumar Dated ... A: Questioner: Pachamuthu Category: Calculus Private: No Subject: Volume of Torus which has ... | |
| Linear programming | 9/23/2007 |
| Q: A small company produces both bouquets and wreaths of dried flowers. The bouquets take 1 hour of ... A: Questioner: fred Category: Calculus Private: No Subject: algebraA small company produces ... | |
| Maximum-minimum problems | 9/22/2007 |
| Q: I am attempting to find how to solve the problems for someone who does not have access to the ... A: Questioner: Dorothy Category: Calculus Private: No Subject: Minimum Maximum, Optimization ... | |
| Calculus-Tangent Lines, Area | 9/20/2007 |
| Q: Let (a,b) be an arbitrary point on the graph y=1/x, x>0. Prove that the area of the triangle formed ... A: Questioner: Austin Category: Calculus Private: No Subject: Calculus-Tangent Lines, AreaLet ... | |
| Limit proofs - delta-epsilon | 9/20/2007 |
| Q: prove ,if limit of a function f(x) as x approaches 'a' is 'L' than 'L' is unique. A: Questioner: prem Category: Calculus Private: No Subject: limitprove ,if limit of a ... | |
| Uniform continuity | 9/19/2007 |
| Q: Prove ,If function 'f' is continuous on a closed set 'D',then 'f' is uniformly continuous on 'D'. A: Questioner: prem Category: Calculus Private: No Subject: continuityProve ,If function 'f' ... | |
| Tangent lines | 9/19/2007 |
| Q: ok im supposed to do this problem. Graph two parabolas y=x^2 and y=-x^2+2x-5 in the same ... A: Questioner: Jeff Category: Calculus Private: No Subject: differentiationok im supposed to ... | |
| limits | 9/17/2007 |
| Q: limit as x approaches 0 of x/sin3x. I want to figure it out without using L'hopitals rule. Is that ... A: Questioner: Lauren Category: Calculus Private: No Subject: limitslimit as x approaches 0 ... | |
| Limits - calc 1 | 9/17/2007 |
| Q: I am confused on what this problem is asking. It says make a guess at the limit (if it exists) by ... A: Questioner: Jason Category: Calculus Private: No Subject: Limits - calc 1I am confused on ... | |
| Calculus, Squeeze Theorem | 9/16/2007 |
| Q: Im learning the squeeze/sandwich theorem and am having trouble with proving a particular limit. ... A: Questioner: Micah Category: Calculus Private: No Subject: Calculus, Squeeze TheoremHi, Im ... | |
| calculus: limit proofs | 9/16/2007 |
| Q: The two problems are the following: Give the proof of a limit for a linear function,and the proof ... A: Questioner: Len Category: Calculus Private: No Subject: calculus: limit proofsThe two ... | |
| Tangent lines | 9/15/2007 |
| Q: 1. There are two tangent lines to the curve y = 4x - x^2 that go through 2,5. Find the equations of ... A: Questioner: Casey Category: Calculus Private: No Subject: Calculus problems1. There are ... | |
| Trigonometric Identities | 9/14/2007 |
| Q: I am not sure that you would be the right person to ask but I was just wondering if you knew how I ... A: Questioner: Cathrine Category: Calculus Private: No Subject: calc problemI am not sure ... | |
| Complex fraction | 9/13/2007 |
| Q: 1) A store advertised that during its Labor Day sale $15 will be deducted from every purchase over ... A: Questioner: Ruth Category: Calculus Private: No Subject: Math Pre-Calc1) A store ... | |
| Vector addition. | 9/13/2007 |
| Q: ABCDEF is a regular hexagon with sides of unit length. Find the magnitude and direction of ... A: Questioner: KN Category: Calculus Private: No Subject: CalculusABCDEF is a regular hexagon ... | |
| Basic derivatives | 9/12/2007 |
| Q: I am having some problems with the following questions of derivatives. If you can please show me ... A: Questioner: Sarah Category: Calculus Private: No Subject: Calculus- functions and useHello ... | |
| Horizontal asymptotes | 9/12/2007 |
| Q: why can a graph not have any more than two vertical asymptotes on it? A: Questioner: MariAnne Category: Calculus Private: No Subject: horizontal asymptoteswhy can ... | |
| Related rates | 9/11/2007 |
| Q: I have two questions: 1) The rate of change of electric charge with respect to time is called ... A: Questioner: Alex Category: Calculus Private: No Subject: Calculus-derivativesI have two ... | |
| Integration by parts. | 9/10/2007 |
| Q: Im doing integration by parts and im stock at this problem The problem is Ln(2x+1)dx the formula is ... A: Questioner: Israel Category: Calculus Private: No Subject: need some help to solve my ... | |
| Inverses of functions | 9/10/2007 |
| Q: So my homework is on much more difficult material than this, but I am completely perplexed by this ... A: Questioner: Melissa Category: Calculus Private: No Subject: Calculus II (Analytic ... | |
| Basic derivatives | 9/9/2007 |
| Q: I'd really appreciate if you could help me with this, I have this calc. packet that I completed most ... A: Questioner: Stephanie Category: Calculus Private: No Subject: calc quest. please helpHi, ... | |
| Differential equations and transforms | 9/9/2007 |
| Q: I am mahima from India. I came to know about this site by search engine. I am so happy to post my ... A: Mahima, That's a lot of questions all at once, so I'll see what I can do right now and you may have ... | |
| calculus | 9/8/2007 |
| Q: I am mahima from India. I came to know about this site by search engine. I am so happy to post my ... A: Questioner: mahima Category: Calculus Subject: calculushello sir, I am mahima from India. I ... | |
| Definition of the derivative | 9/7/2007 |
| Q: Find the slope of the tangent to the curve y = 3 + 4x^2 - 2x^3 at the point where x = a. A: Questioner: Christine Category: Calculus Private: No Subject: derivatives and rates of ... | |
| Graph sketching by translation, etc. | 9/6/2007 |
| Q: Paul, I have been stumped on this question for way too long and I dont know where to start anymore. ... A: Questioner: Jason Category: Calculus Private: No Subject: Review For calculusPaul, I have ... | |
| Basic derivatives | 9/6/2007 |
| Q: could you please give me the derivatives formulas and a example of how to use the quotient rule ... A: Questioner: Elmer Category: Calculus Private: No Subject: derivativescould you please give ... | |
| Definition of Limit | 9/5/2007 |
| Q: I'm 15 and taking Calculus this year. We did a little bit with limits and derivatives and such last ... A: Questioner: Brianna Category: Calculus Private: No Subject: Determining Limit Existence ... | |
| Calculus l | 8/17/2007 |
| Q: I'm attempting to learn Calculus l on my own, after being out of school 30 years and most of the ... A: John, Try this: lim x^2 sin^2(10x) x->0 [I assume that is what you meant to write.] For all x, ... | |
| Limits | 8/17/2007 |
| Q: I'm trying to learn Calculus on my own after being out of school 30 year. Problem is most things I ... A: John, I will be back from vacation status in about 3 weeks, then you can send me questions ... | |
| Integration | 8/12/2007 |
| Q: Please solve the Integration of x(5+x)^1/2. Thanks A: Kkifah, Try something called a 'Rationalizing Substitution.' u = sqrt(5 + x) u^2 = 5 + x x = u^2 - ... | |
| Integration methods. | 7/18/2007 |
| Q: I am studying integration. My class has covered both differentiation and antidifferentiation (which ... A: Questioner: Martin Category: CalculusI am studying integration. My class has covered both ... | |
| Ellipses | 7/17/2007 |
| Q: a stadium is to be built with the stands in the form of two concentric ellipses. The outer ellipse ... A: Questioner: Brian Category: Calculusa stadium is to be built with the stands in the form of two ... | |
| Parametric equations | 7/16/2007 |
| Q: I am having trouble trying to figure out how approach this problem; How would you go about solving ... A: Questioner: kerel Category: CalculusHi, I am having trouble trying to figure out how approach ... | |
| Limits and continuity | 7/15/2007 |
| Q: Calc I Class - lim as t approaches -1 (t^2+1)^3(t+3)^5 there were hints given but I am just not ... A: Questioner: Suzi Category: Calculus Private: No Subject: Calculus - limitsCalc I Class - ... | |
| Conic sections | 7/15/2007 |
| Q: (conics)"Find the foci of an ellipse with the equation: 7(x-2)^2+3(y-2)^2=21. I think it might be ... A: Questioner: Alexandria Category: Calculus(conics)"Find the foci of an ellipse with the equation: ... | |
| l'Hospital's rule, one-sided limits | 7/13/2007 |
| Q: The question is lim x->0negative (tan x) / x^2 (oh and the limit at 0 with the little negative sign ... A: Questioner: kita Category: CalculusThe question is lim x->0negative (tan x) / x^2 (oh and the ... | |
| Maximum-minimum problems | 7/12/2007 |
| Q: This is a optimization problem. A conical paper cup usually made so that the depth is square root of ... A: Questioner: jose Category: CalculusThis is a optimization problem. A conical paper cup is ... | |
| Limit proofs - delta-epsilon | 7/11/2007 |
| Q: how do you prove(using the formal definition of a limit) limit of sinx, as x approaches a, equals ... A: Questioner: Julia Category: Calculushow do you prove(using the formal definition of a limit) ... | |
| Limits and continuity | 7/10/2007 |
| Q: Paul. I´m father the universitary son. I like help to answer the problem the calculus the mi son ... A: Questioner: Mario Monge Category: Calculus Subject: finding limitHi, Paul. I´m father the ... | |
| optimization problem | 7/10/2007 |
| Q: its for finding minimum cost: the cost of fuel to propel a boat through the water (in dollars per ... A: Questioner: kaitlin Category: Calculushi i have this optimization problem that i'm having a lot ... | |
| Inverses in Group Theory | 7/6/2007 |
| Q: Im trying to prove that the inverse of a matrix is unique i think i came up with a solution but im ... A: Andrew,hi thanks ..the solution is clear ....I just wondered how you would interpet the Equation ... | |
| Inverses in Group Theory | 7/4/2007 |
| Q: Im trying to prove that the inverse of a matrix is unique i think i came up with a solution but im ... A: Questioner: andrew Category: Calculus Private: No Subject: linear algebraIm trying to ... | |
| Surface Area | 7/4/2007 |
| Q: A doughnut is big enough to be fitted perfectly in a rectangular box of dimensions 4 in x 4 in x 1 ... A: Questioner: Angela Category: CalculusA doughnut is big enough to be fitted perfectly in a ... | |
| Limit of sin x / x | 7/2/2007 |
| Q: F(x)=(Sinx)/x when x approaches 0 1. Study Left Hand and Right Hand Limit 2. Conclude your result ... A: Questioner: Umair Category: CalculusF(x)=(Sinx)/x when x approaches 0 1. Study Left Hand and ... | |
| Absolute max and min | 7/1/2007 |
| Q: find absolute max and min of y=xe^-2x^2 on interval [o,5] A: Questioner: rossfind absolute max and min of y=xe^-2x^2 on interval [o,5] ... | |
| Optimization problems | 7/1/2007 |
| Q: find dimensions of a rectangle with area 1000m2 whose perimeter is as small as possible A: Questioner: candace Category: Calculus Subject: calculus optimizationfind dimensions of a ... | |
| Finding extreme values. | 6/30/2007 |
| Q: Find the critical numbers for the function in the indicated interval, and locate the absolute ... A: Questioner: Ashley Category: Calculus Subject: i need help! << NOT A USEFUL SUBJECT LINEFind ... | |
| Improper Integrals | 6/29/2007 |
| Q: I just can't figure out where to begin with this problem... It's Integral from 0 to inf. of ... A: Questioner: Annie Category: Calculus Subject: Calculus 2: Improper IntegralsHello! I just ... | |
| Reduction Formula: Again | 6/28/2007 |
| Q: PreviousHi Paul! Can you help me with a correct manner of obtaining the reduction formula for this: ... A: There is an old trick that is useful here. When you have something like x^2, and you WANT x^2 + ... | |
| Related Rates | 5/30/2007 |
| Q: A bungee jumper has reached a point in her exciting plunge where the taught cord is 100 ft long with ... A: Questioner: Erica Category: CalculusA bungee jumper has reached a point in her exciting plunge ... | |
| Growth and decay problems. | 5/30/2007 |
| Q: Newton's law of cooling states that the rate at which an object cools is directly proportional to ... A: Questioner: Erica Category: CalculusNewton's law of cooling states that the rate at which an ... | |
| Maximum-minimum problem. | 5/29/2007 |
| Q: A rectangular field is surrounded by 240m of fencing on three sides. the other side is a hedge where ... A: Questioner: alex Category: CalculusA rectangular field is surrounded by 240m of fencing on three ... | |
| Related Rates | 5/29/2007 |
| Q: !! I already tried those excercises, but I can't get the right answers. And I hope u can help me. ... A: Questioner: Sorina Category: CalculusHi Paul!!! I already tried those exercises, >> What ... | |
| Graph of a parabola | 5/28/2007 |
| Q: I have a really simple question - what is the formula for calculating the y-value of a turning point ... A: Questioner: Elizabeth Category: Calculus Subject: Calculus << Not really.I have a really ... | |
| Graphs and derivatives. | 5/28/2007 |
| Q: The graph of the function f shown consists of six line segments. Let g be the function given by ... A: I did mess up on the one ordered pair. It should have been (0,-2) and not(-2,0). So, all segments ... | |
| Maximum-minimum problem. | 5/27/2007 |
| Q: 1- Find two numbers x and y whose sum is A such the sum of their square is minimum. 2- Find the ... A: Questioner: Clyde Category: Calculus1- Find two numbers x and y whose sum is A such the sum of ... | |
| Graphs and derivatives. | 5/27/2007 |
| Q: The graph of the function f shown consists of six line segments. Let g be the function given by ... A: Questioner: Colleen Category: Calculus Private: NoThe graph of the function f shown consists ... | |
| infinite sequences | 5/26/2007 |
| Q: i'm studying calculs 102, and i have a 2nd hour exam on sunday, and i need some help with some ... A: Followup: A sequence is a LIST: a function whose domain is the positive integers. So when we write ... | |
| infinite sequences | 5/25/2007 |
| Q: i'm studying calculs 102, and i have a 2nd hour exam on sunday, and i need some help with some ... A: Questioner: Ibrahim Category: Calculus Subject: infinite sequenceshello Paul, i'm studying ... | |
| Maximum-minimum problem - rowing & walking | 5/25/2007 |
| Q: I haven't been able to find an example to help me with this problem. A woman at a point A on the ... A: Questioner: Jill Category: Calculus Subject: optimizationI haven't been able to find an ... | |
| Critical points | 5/24/2007 |
| Q: Find the critical numbers of the function G(x) = X^1/3 - X ^-2/3 G(x) = ¡Ìt (1-t) Find the ... A: Questioner: tedFind the critical numbers of the function G(x) = X^1/3 - X ^-2/3 G(x) = ¡Ìt ... | |
| Trigonometric equations | 5/24/2007 |
| Q: I'm Travis and I desperatly need your help. Ok, I have 5 questions on solving trig equations for ... A: Questioner: Travis Category: Calculus Subject: pre-cal questionshello, I'm Travis and I ... | |
| Arc length of sine wave | 5/23/2007 |
| Q: I am trying to find the arc length of a sine wave and need help with the following integration: ... A: Questioner: Jo Subject: Arc length of sine waveI am trying to find the arc length of a sine ... | |
| Growth and decay problems. | 5/23/2007 |
| Q: A Pizza, heated to a temperature of 350 degrees(F), is taken out of an oven and placed in a 75 ... A: Questioner: Colleen Category: CalculusA Pizza, heated to a temperature of 350 degrees(F), is ... | |
| Related Rates | 5/22/2007 |
| Q: 1- A point is moving along the curve y=sqrt(x)in such a way that its y coordinate is increasing at ... A: Questioner: Antonio Category: Calculus1- A point is moving along the curve y=sqrt(x)in such a ... | |
| Graphs and derivatives. | 5/21/2007 |
| Q: The graph of function f consists of three line segments with the points (-2,0) (1,4) (2,1) and ... A: Questioner: Marcella Category: Calculus Subject: calculusThe graph of function f consists ... | |
| Analytic geometry - circles | 5/21/2007 |
| Q: (i)Find the coordinates of the centre and the radius of the circle x^2+2x+y^2-4y=4 (ii)by writing ... A: Questioner: jon Category: Calculushi i am faced with the following question. (i)Find the ... | |
| Chain Rule | 5/20/2007 |
| Q: let f(x)=g(h(x)), where h(2)=3,h'(2)=4, g(3)=2, and g"(3)=5. find f'(2) A: Questioner: bhavika Category: Calculus Subject: calculuslet f(x)=g(h(x)), where ... | |
| Inverses of functions. | 5/20/2007 |
| Q: let f(x)=x^5+x. find the value of d/dxf^-1(X)at x=2. f^-1 (x) is inverse of f A: Bhavika, Here is an extract from an answer sent to another questioner. It is quite similar to ... | |
| Mixture Problem | 5/19/2007 |
| Q: I have one of those damn mix these nuts with those nuts and then you get these nuts, etc. problems ... A: Questioner: Sam Category: Calculus Subject: Pre-calcHi, I have one of those pesky mix these ... | |
| Calculus | 5/18/2007 |
| Q: Let f be the function defined by f(x)=x^3 x. If g(x) = f^-1(x) and g(2)=1, what is the value of ... A: Colleen, That still does not make sense, BUT, based on the other things you wrote, I think you ... | |
| Calculus | 5/18/2007 |
| Q: Let f be the function defined by f(x)=x^3 x. If g(x) = f^-1(x) and g(2)=1, what is the value of ... A: Questioner: Colleen Category: Calculus Private: No Subject: CalculusLet f be the function ... | |
| Integration | 5/17/2007 |
| Q: integrate 0 from pi/4 tan^(2)xdx A: Questioner: bhavika Category: Calculus Subject: integrationintegrate 0 from pi/4 tan^(2)xdx ... | |
| Related Rates | 5/17/2007 |
| Q: 1- The radius of the base of a right circular cone is decreasing at the rate of 4 in/min, and the ... A: Questioner: Anthony Category: Calculus1- The radius of the base of a right circular cone is ... | |
| Inequalities | 5/16/2007 |
| Q: (i)Find a,b E R such that [[(3x)/(x+1)] - 2]=(ax+b)/(x+1) where x not=-1 AND (ii) HENCE, find range ... A: Questioner: jon Category: Calculus Subject: math problemhi i have this question i am ... | |
| Miscellaneous calculus questions | 5/16/2007 |
| Q: 1) let f and g be odd functions. if p, r, and s are nonzero functoins defined as follows, which ... A: Questioner: Cobb Category: Calculus1) let f and g be odd functions. if p, r, and s are nonzero ... | |
| Continuity, domain, range. | 5/15/2007 |
| Q: the diagram is one of a graph of the function f(x)=(x^2)+1,-1<=x<=1 and p,q E(element) R.(i)find ... A: Questioner: jon Category: Calculus Private: No Subject: math problemhi i am trying to ... | |
| Integral | 5/14/2007 |
| Q: Im having some trouble calculating the integral of 1/[(x+1)sqrt(x^2+a^2-1)] for a>0 from 1 to ... A: Questioner: mohammed Category: Calculus Subject: funny inverse integralIm having some ... | |
| Areas and volumes by integration. | 5/13/2007 |
| Q: let R be the region enclosed by the graphs of by=cost(x^2) and by=x^2. a). set up and evaluate an ... A: Questioner: bhavika Category: Calculus Subject: calculuslet R be the region enclosed by the ... | |
| Volumes by integration. | 5/13/2007 |
| Q: the base of a solid S is the shaded region in the xy-plane enclosed by the x-axis, the y-axis, and ... A: Questioner: bhavika Category: Calculus Subject: calculusthe base of a solid S is the shaded ... | |
| Differential equation of decay. | 5/10/2007 |
| Q: When a sperical mint is sucked, a simple model gives the rate of decrease of its radius as inversely ... A: Questioner: Mo Category: CalculusWhen a spherical mint is sucked, a simple model gives the rate ... | |
| Growth and decay problems. | 5/9/2007 |
| Q: Phoebe is returning to earth in her spaceship when she detects an oxygen tank leak. She knows that ... A: Questioner: Colleen Category: Calculus Subject: CalculusPhoebe is returning to earth in her ... | |
| The tangent line approximation. | 5/9/2007 |
| Q: Function y=f(x) is defined by 5sqrt(x)+xy+y^3=11? a). find an expression for f'(x)=dy/dx in terms ... A: Questioner: bhavika Category: Calculus Private: No Subject: calculusFunction y=f(x) is ... | |
| Related Rates | 5/8/2007 |
| Q: 1- A 4-m ladder is leaning against vertical wall. If the bottom of the ladder is pulled away from ... A: Questioner: Antonio Category: Calculus Private: No Subject: Calculus1- A 4-m ladder is ... | |
| Related Rates | 5/8/2007 |
| Q: 1- The three dimension of a box are increasing at the rate of 5 cm/min, 7 cm/min, and 2 cm/min. At ... A: Questioner: Antonio Tando Category: Calculus1- The three dimension of a box are increasing at ... | |
| Fractional Integral | 5/7/2007 |
| Q: I am having some problem solvong this integral. Looks simple, but i cant get it right; please help. ... A: Questioner: mohammad Category: Calculus Subject: Fractional IntegralHello Sir I am having ... | |
| Exponential growth and decay, | 5/6/2007 |
| Q: An economist studying the price changes of a particular commodity uses the model for which dP/dt ... A: Questioner: Maureen Category: CalculusAn economist studying the price changes of a particular ... | |
| Volume of a solid of revolution by cylindrical shells | 5/6/2007 |
| Q: Rotate around the y-axis the region above the graph of y=x^3 that is bounded by the lines x=1 and ... A: Questioner: Colleen Category: Calculus Subject: Volume of a solid of revolution by ... | |
| Basic integration | 5/5/2007 |
| Q: The maginal cost of printing a poster when x posters have been printed is dc/dx = 1/2x^1/2 dollars. ... A: Questioner: linda Category: Calculus Private: No Subject: calculus(integration)The maginal ... | |
| Basic integrals. | 5/5/2007 |
| Q: Suppose that a company's maginal revenue from the manufacture of egg beaters is dr/dx = 2-2/(x + 1), ... A: Questioner: zagas Category: CalculusSuppose that a company's maginal revenue from the ... | |
| Infinite series | 5/4/2007 |
| Q: For waht values of a, if any, do the series converge? segma from n=1 to infinity ( (1/(n-1) - ... A: Questioner: Ibrahim Category: Calculus Subject: Infinite sequences and seriesHi, For what ... | |
| Rationalizing a denominator. | 5/4/2007 |
| Q: i'm working on this problem... C(x)= 50/square root of x fixed cost= 25000 and i need to find the ... A: Questioner: amy Category: Calculus Subject: super lostI'm working on this problem... C(x)= ... | |
| Continuous Multipart Functions | 5/3/2007 |
| Q: let f be defined as follows, where a not equal to 0, f(x)={x^2-a^2)/(x-a) for x not equal a, and 0, ... A: Questioner: bhavika Category: Calculus Private: No Subject: calculuslet f be defined as ... | |
| Curve sketching with derivatives. | 5/3/2007 |
| Q: Let f be a function that is even and continuous on the closed interval [-3,3]. The function f and ... A: Questioner: h Category: Calculus Private: No Subject: calculusLet f be a function that is ... | |
| Continuous Multipart Functions | 5/2/2007 |
| Q: f(x)=x^2-2x for all real numbers x a).on the axes provided, sketch the graph of y= f(abs(x)) b). ... A: Questioner: h Category: Calculus Subject: calculusf(x)=x^2-2x for all real numbers x a).on ... | |
| Finding turning points. | 5/1/2007 |
| Q: I can't seem to figure out this problem. Find all values of x where tangent line to the graph of ... A: Questioner: JoAnn Category: Calculus Private: No Subject: CalculusI can't seem to figure ... | |
| Continuous Multipart Functions | 4/30/2007 |
| Q: I am stuck on a particular problem: A function g is defined by the formula g(x) = {x^2 + x + a, x ... A: Questioner: Tiesh Category: Calculus Subject: Continuous FunctionsI am stuck on a ... | |
| Volume by disks. | 4/29/2007 |
| Q: Let R be the region in Quadrant 1 bounded by the graphs of y=lnx and y=1. Find the exact volume of ... A: Questioner: Colleen Category: Calculus Private: No Subject: Volume by cylindrical ... | |
| Calculating an integral | 4/29/2007 |
| Q: Im having some problem solving this integral... doesnt seems to have a simple solution. Integral of ... A: Questioner: white Category: Calculus Subject: Calculating an integralHello Im having some ... | |
| Volume by cylindrical shells. | 4/28/2007 |
| Q: Let R be the region in Quadrant 1 bounded by the graphs of y=lnx and y=1. Find the exact volume of ... A: Questioner: Colleen Category: Calculus Subject: Volume by cylindrical shells.Let R be the ... | |
| Mean Value Theorem | 4/28/2007 |
| Q: Let f be a differentiable function of x that satisfies f(1)=7 and f(4)=3. which of the following ... A: Questioner: h Category: CalculusLet f be a differentiable function of x that satisfies f(1)=7 ... | |
| Basic differentiation - Product Rule | 4/26/2007 |
| Q: Please differenciate. y= 3x^1/2(x-1) A: Questioner: Anastasia Category: CalculusPlease differentiate. y = 3x^1/2(x-1) ... | |
| Maximum-minimum problem. | 4/25/2007 |
| Q: question 1 A rectangular plot of farmland will be bounded on one side by a river and on the other ... A: Amy, I see you had a little trouble with my suggestion. I asked you to PICK one of them, not just ... | |
| Integral with arctangent. | 4/24/2007 |
| Q: I have a small problem How do i integrate: ( cosx + sinx + 1 )/(1 + (sinx)^2) ?? A: Questioner: iwinux Category: Calculus Subject: IntegralHi there I have a small problem How ... | |
| Maxima & Minima in Plane & Solid Figures | 4/24/2007 |
| Q: A popular size of tin can with "normal" proportions has a diameter of 7.3 cm and an altitide of ... A: Questioner: Colleen Category: Calculus Subject: Maxima & Minima in Plane & Solid FiguresA ... | |
| related rates | 4/23/2007 |
| Q: a balloon in the shape of a cylinder has hemispherical ends of the same radius as that of the ... A: Questioner: amy Category: Calculus Private: No Subject: related ratesa balloon in the ... | |
| Mean Value Theorem | 4/20/2007 |
| Q: Ok, here is the problem Two cars A and B are both moving, at a certain point of time one overpasses ... A: Questioner: mila Category: Calculus Subject: Please help solve the problemOk, here is the ... | |
| Diff Equation by separation of variables. | 4/19/2007 |
| Q: if dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y= A: Questioner: tina Category: Calculus Subject: calculusif dy/dx=2y^2 and if y=-1 when x=1, ... | |
| Related rates - volume of a cube | 4/19/2007 |
| Q: at the start, a cube's edge measures 6 inches and is increasing at a rate of 2in/min for 5 mins. at ... A: Questioner: crystal Category: Calculus Subject: related rates of cubeat the start, a cube's ... | |
| Trig substitution and completing the square. | 4/18/2007 |
| Q: an antiderivative for 1/(x^2-2x+2) is? can you show me this problem because i can't get an answer A: Questioner: h Category: Calculus Subject: antiderivativean antiderivative for 1/(x^2-2x+2) ... | |
| Velocity and acceleration. | 4/18/2007 |
| Q: A car braked with a constant deceleration of 16ft/s squared, producing skid marks measuring 200ft ... A: Questioner: Kimberly Category: Calculus Subject: AntiderivativesA car braked with a ... | |
| Limits at infinity. | 4/14/2007 |
| Q: L'Hospital's rule does not help with the following limits. find them some other way a) LIM as x ... A: Questioner: nyawas Category: Calculus Subject: calculusL'Hospital's rule does not help with ... | |
| Limits and rationalizing. | 4/14/2007 |
| Q: if {f(x)=(sqrt(2x+5)-sqrt(x+7))/(X-2), for x not equal to 2 and f(2)=k and if f is continuous at ... A: Questioner: tina Category: Calculus Subject: calculusif {f(x)=(sqrt(2x+5)-sqrt(x+7))/(X-2), ... | |
| Mean Value Theorem | 4/13/2007 |
| Q: "this problem is a multi choice one: if f'(x) and g'(x)exist and f''(x)> g'(x) for all real x, then ... A: Questioner: tina Category: Calculus"this problem is a multi choice one: if f'(x) and g'(x)exist ... | |
| Velocity and acceleration. | 4/13/2007 |
| Q: a particle moves with acceleration a= t^1/2 - ( 1/ t^1/2 ) assuming that the velocity v= 4/3 and the ... A: Questioner: nyawas Category: Calculus Subject: calculusa particle moves with acceleration ... | |
| Summation formulas | 4/10/2007 |
| Q: From here on i will use 'E' to represent sigma or summation.this is a problem i did: Given that (r=1 ... A: John, I am going to change your notation a bit, using SUM instead of your E, and making the dummy ... | |
| Equation of an ellipse. | 3/22/2007 |
| Q: Please can you solve the following : 1) Find the equation of the tangent to the ellipse ( ... A: Questioner: Alberto Category: Calculus Subject: CalculusPlease can you solve the following ... | |
| Basic differentiation. | 3/20/2007 |
| Q: Given the functions y = 3x^3 + 6x and x = 2t^2 + t find dy/dt. and calculate dy/dx if Ln (x+y ... A: Questioner: Luciano.Bacco Category: Calculus Private: No Subject: CalculusGiven the ... | |
| area of surface of revolution | 3/20/2007 |
| Q: I've been trying to work problem to try and find the area for this problem for like 3 days and I ... A: Jeff, Unfortunately, I didn't make progress beyond that point, BUT:I appreciate your help on this ... | |
| area of surface of revolution | 3/19/2007 |
| Q: I've been trying to work problem to try and find the area for this problem for like 3 days and I ... A: Questioner: Jeff Category: Calculus Private: No Subject: area of surface of revolutionI've ... | |
| Maximum-minimum problem. | 3/17/2007 |
| Q: This question is a optimization problems involving maxs/mins. A rain gutter is to be constructed ... A: Questioner: jonathan Category: Calculus Subject: engineeringThis question is a optimization ... | |
| Inverses of functions. | 3/14/2007 |
| Q: How do i find the inverse of F(x)=2x-7? f(x)=3-2x/5x+1? f(x)=3/2x^3+1? and f(x)=3x+4? A: Questioner: Brandy Category: Calculus Subject: CalculusHow do i find the inverse of ... | |
| Isomorphism | 3/14/2007 |
| Q: i need your help in one part of thr followingProve that isomorphism is an equivalence relation on ... A: Questioner: Paul Category: Calculus Private: No Subject: IsomorphismThanks alot for your ... | |
| Isomorphism | 3/13/2007 |
| Q: i'm studying abstract algebra: can you please help me with the following questions 1)prove if G ... A: Questioner: Paul Category: Calculus Subject: IsomorphismHi, i'm studying abstract algebra: ... | |
| A term: "Recessium Vector algorithm" | 3/12/2007 |
| Q: I'm a translator. I'm working on a document which explains a RTGS system (to settle international ... A: Questioner: Patricia Category: Calculus Private: No Subject: A term: "Recessium Vector ... | |
| Related Rates | 3/12/2007 |
| Q: A man 1.5m tall is walking at a speed of 2m/s away from a lamppost which has a lamp 5m above the ... A: Questioner: mikey Category: Calculus Subject: small changeA man 1.5m tall is walking at a ... | |
| Fundamental Theorem of Calculus | 3/11/2007 |
| Q: What is the Fundamental Theorem of Calculus? Can you describe it first in "everyday language" and ... A: Questioner: Tom Category: Calculus Subject: Fundamental Theorem of CalculusWhat is the ... | |
| Factorial and Stirling's Approximation | 3/10/2007 |
| Q: I have a question on how to find out what 300! would equal out to and what an eaiser way would be to ... A: Questioner: Mike Category: Calculus Subject: mathHi, I have a question on how to find out ... | |
| calculus 2 | 3/9/2007 |
| Q: I need help finding the integral of cos^2(2theta) Ive been told that I can use a trig substitution ... A: Questioner: Jeff Category: Calculus Subject: calculus 2Hello, I need help finding the ... | |
| Implicit differentiation. | 3/9/2007 |
| Q: I need help on a homework problem. The directions say find dy/dx. xe^(y)+ 1= xy I don't really ... A: Questioner: Stephanie Category: Calculus Subject: calculusI need help on a homework ... | |
| Derivatives of Exponential Functions | 3/7/2007 |
| Q: I'm sorry, but I have one more question if you have time. I have y=2^xlnx. How do you take the ln of ... A: Questioner: Colleen Category: Calculus Subject: Derivatives of Exponential FunctionsI'm ... | |
| Length of Spring and Calculus | 3/7/2007 |
| Q: Mr. Klarreich! I really appreciate you helping me in the previous question I had. I'm in calculus 2 ... A: Questioner: Ali Category: Calculus Subject: Length of Spring and CalculusHi again, Mr. ... | |
| Derivatives of Exponential Functions | 3/6/2007 |
| Q: My problem is g(x)= 4(7^x) I know that we put "ln" on both sides so we have ln g(x)= ln 4(7^x). ... A: Questioner: Colleen Category: Calculus Subject: Derivatives of Exponential FunctionsMy ... | |
| Exponential growth and decay | 3/6/2007 |
| Q: Hey again Mr. Klarreich, I'm having some trouble (again :() trying to figure out how this problem ... A: Questioner: Aliza Category: Calculus Private: No Subject: Exponential growth and decayHey ... | |
| Max-min problems? | 3/5/2007 |
| Q: I am having a problem solving this, and I hope you can help me. I am a precalculus student, but this ... A: Alana, One of the reasons I don't answer questions marked 'Private' is so that other 'students' can ... | |
| Proving exponent rules for groups | 3/4/2007 |
| Q: Let G be a group, let a,b in G, and let n and m be (not necessarliy positive) integers. prove (i)if ... A: Questioner: Karlo Category: Calculus Subject: Proofs(exponents) related to groupsHi, Let G ... | |
| Calculus texts. | 3/3/2007 |
| Q: v.terasov or about that book or any other good book for calculus A: Vignesh, I found this reference on the Internet: 'Problems in Calculus of One Variable' by I.E. ... | |
| differentation of logaritms functions | 3/2/2007 |
| Q: 1.y= log (square root of) 2x+5 2.y= ln (x+3)^4 3.Y= ln (sec x+ tanx) 4.y= ln x-5/x-4 A: Questioner: alijon Category: Calculus Private: No Subject: differentation of logaritms ... | |
| Tangents fo a curve | 3/2/2007 |
| Q: what is the equation of both lines that pass through the point (2,-3) and are tangent to the ... A: Questioner: Joel Category: Calculus Subject: equations of tangentswhat is the equation of ... | |
| An old chestnut of number theory. | 3/1/2007 |
| Q: I took an AP Calculus course last year, and after the AP we did a lot of theoretical insane ... A: Questioner: Patrick Category: Calculus Subject: MATHH *pulls hair out*Hi, I took an AP ... | |
| Derivative of Trigonometric Functions | 2/28/2007 |
| Q: Find 1st and 2nd Derivative, 1.) y = sin(cosx) 2.) y = tan(xsinx) I need it now.. Thank you very ... A: Questioner: Julie Category: Calculus Subject: Derivative of Trigonometric FunctionsFind 1st ... | |
| Calculus and area under curve | 2/28/2007 |
| Q: Klarreich! Im in Calculus 2 and I'm trying to solve a bunch of these word problems in my calculus ... A: Questioner: Alison Category: Calculus Subject: Calculus and area under curveHi Mr. ... | |
| Period of a trigonometric function. | 2/27/2007 |
| Q: The fundamental period of 2cos(3x) is 2pie/3 but why? A: Questioner: Mayra Category: Calculus Subject: Fundamental PeriodThe fundamental period of ... | |
| derivatives of trigonometric functions | 2/27/2007 |
| Q: I have the basic 3 derivatives in my book but this one problem has a different answer in the back of ... A: Questioner: Christine Category: Calculus Subject: derivatives of trigonometric functionsI ... | |
| Basic differentiation. | 2/26/2007 |
| Q: 1.) x = 1/2 t-to the fourth power - 5t - 3 2.) y = 1 all over square root of x-2 A: Questioner: Julie Category: Calculus Subject: First and Second Derivative Function1.) x = ... | |
| Chain Rule | 2/25/2007 |
| Q: i need help in my calculus homework...this is one of the problems: *if $1000 is invested at ... A: Questioner: meg Category: Calculus Subject: related rates << Not really.I need help in my ... | |
| limits | 2/24/2007 |
| Q: lim [x] x tends to root 2 sir, i had tried in the following way LHL lim[x] x tend to sqrt 2- lim ... A: Questioner: manisha_mhptr Category: Calculus Subject: limitslim [x] x tends to root 2 sir, ... | |
| limits | 2/24/2007 |
| Q: lim (1+2x/3)^3/2x x tends to 0 A: Questioner: manisha_mhptr Category: Calculus Subject: limitslim (1+2x/3)^3/2x x tends to 0 ... | |
| derivatives of logarithmic and exponential functions | 2/22/2007 |
| Q: I having so much trouble out of some of these problems can you help me please? y=[ln(e to the ... A: Questioner: Larr Category: Calculus Subject: derivatives of logarithmic and exponential ... | |
| Increasing and decreasing intervals. | 2/22/2007 |
| Q: Hey Paul! I believe you answered my snowball question. Thank you very much. I have just one more ... A: Questioner: andy Category: Calculus Subject: decreasing INTERVALHey Paul! I believe you ... | |
| Mass of a non-uniform sphere. | 2/21/2007 |
| Q: My teacher and I approached this problem two different ways that we both feel SHOULD work, but which ... A: Questioner: andy lane Category: Calculus Private: No Subject: snowball applicationMy ... | |
| Solving equations with fractions. | 2/20/2007 |
| Q: I have a questions about solving an equation. If you have an equation that you need to factor and ... A: Questioner: dayna Category: CalculusI have a questions about solving an equation. If you have an ... | |
| Calculus: Integration | 2/20/2007 |
| Q: I had to do 100 problems for a test on integration and could not figure out 10 of them..... I ... A: Questioner: Richard Hearon Category: Calculus Subject: Calculus: IntegrationI had to do 100 ... | |
| Related Rates | 2/19/2007 |
| Q: i am attempting. A container initially empty is being filled with liquid;t seconds after filling has ... A: Questioner: A Category: Calculushi this is a qu. i am attempting. A container initially empty is ... | |
| Simpson's Rule | 2/18/2007 |
| Q: Integration by Simpson's Rule : People who sail ships at sea used dead reckoning to calculate ... A: Questioner: Colleen Category: CalculusIntegration by Simpson's Rule : People who sail ships at ... | |
| Maximum-minimum problem. | 2/16/2007 |
| Q: p(x) is a POLYNOMIAL of degree less than 3. |p(x)|<=1 for all x in [-1,1]. show that: |p'(x)|<=4 ... A: Questioner: Siddharth Category: Calculusp(x) is a POLYNOMIAL of degree less than 3. |p(x)|<=1 ... | |
| Order axiom proof | 2/11/2007 |
| Q: Mr. Klarreich I was wondering if you can help me with this proof? If 0< a< b, then 0< b^-1 < a^-1. ... A: Questioner: Eva L. Category: Calculus Subject: Order axiom proofHello, Mr. Klarreich I was ... | |
| Improper Integrals | 2/11/2007 |
| Q: I'm studying Calculus and I was trying to solve this integration problem and don't know how to ... A: Questioner: Krisaldine Category: Calculus Subject: Integration (Converging)Hi, I'm ... | |
| Composite Functions - decomposing | 2/9/2007 |
| Q: Always we have given the COMPOSITE FUNCTIONS in that format i-e f= something g= something and then ... A: Questioner: Abdul Waqas Category: Calculus << PRECALCULUS Subject: Composite FunctionsAlways ... | |
| Integration by parts | 2/8/2007 |
| Q: Question is Make a substitution and then integrate by parts.(it is seeing what the substitution ... A: Questioner: Aaron Wolf Category: Calculus Subject: Integration by partsQuestion is Make a ... | |
| Number and digit puzzle | 2/8/2007 |
| Q: If J, K, N are consecutive integers such that O<J<K<N and the units (ones) digit of the product JN ... A: Questioner: Beth Category: Calculus Subject: pre calcIf J, K, N are consecutive integers ... | |
| Integral Calculus on Work | 2/6/2007 |
| Q: klarreich, i've been stuck on this problem for quite some time, nearly 3 days now and i have not ... A: Questioner: Aliza Category: Calculus Subject: Integral Calculus on Workhi there mr. ... | |
| Calculus - Rolle's Theorem | 2/5/2007 |
| Q: My problem is f(x)= xcosx {0,pi/2} I'm trying to find what c is equal to. If I take the ... A: Questioner: Colleen Category: Calculus Subject: Calculus - Rolle's TheoremMy problem is ... | |
| limits - the delta-epsilon proofs.(corrected) | 2/5/2007 |
| Q: the definition of limit is a function f is said to tend to a limit,l,as x tends to c,if to any ... A: Questioner: jino Category: Calculus Subject: limitsthe definition of limit is a function f ... | |
| Radius question - related rates? | 2/4/2007 |
| Q: So here's the problem, I have been given this problem, and have no idea how to apply this formula. ... A: Questioner: Ryan Category: Calculus Private: no Subject: Radius questionSo here's the ... | |
| Volumes of 3-D Shapes | 1/30/2007 |
| Q: Klarreich, My name is Faizan and I am having a little bit of difficulty with this specific ... A: Questioner: Faizan Category: Calculus Subject: Areas of 3-D ShapesHi Mr. Klarreich, My ... | |
| Inverse Trigonometric Functions | 1/29/2007 |
| Q: I know this is supposed to be easy, but it is hard to understand our professor sometimes with his ... A: Questioner: Aaron Category: Calculus Subject: Inverse Trigonometric FunctionsI know this is ... | |
| Simplifying a derivative. | 1/29/2007 |
| Q: can you tell me how to solve the rest of this problem?: find y' y=x(3x-4)^1/2 so far i've ... A: Questioner: Mara Category: Calculus Subject: calculus related ratecan you tell me how to ... | |
| (PreCalculus) graphing | 1/26/2007 |
| Q: The problem I have is this. I have access to answers, but the answers don't make sense to me. I'll ... A: Questioner: Katie Category: Calculus Private: no Subject: (PreCalculus) graphingHi! The ... | |
| Calculus-Volumes of revolution. | 1/26/2007 |
| Q: I'm not sure if this type of problem is the type you wanted to answer, but I've tried many ways to ... A: Questioner: Joyce Category: Calculus Subject: Math Analysis/CalculusHi, I'm not sure if ... | |
| Newton's law of cooling - growth and decay. | 1/25/2007 |
| Q: I asked this before (not to you) and I was not 100% with understanding the answer (understanding how ... A: Questioner: Aaron Category: Calculus Subject: Newton's law of cooling...I asked this before ... | |
| Definite integrals - change of variable. | 1/24/2007 |
| Q: Klarreich, I was looking over the problem and I didn't notice the other bits of information the ... A: Questioner: Joeseph Malikay Category: Calculus Subject: Sorry, I did mistype the ... | |
| The definite integral | 1/24/2007 |
| Q: Hey Mr. Klarreich, just recently we started integration in my calculus class, my has gone on leave ... A: Questioner: Joseph Malikay Category: Calculus Subject: Some integration problemsHey Mr. ... | |
| Area under a curve-trapezoidal rule. | 1/23/2007 |
| Q: I have found a line tangent to the curve y = 1/x. (my line equation is y-(squareroot of two, divided ... A: Questioner: Aaron Category: CalculusI have found a line tangent to the curve y = 1/x. (my line ... | |
| Derivatives of Polynomials | 1/22/2007 |
| Q: I'm studying Grade 12 Calculus. Could you briefly give me an overview on derivatives? I am just ... A: Questioner: Samantha Hi Paul, I'm studying Grade 12 Calculus. Could you briefly give me an ... | |
| The difference quotient. | 1/22/2007 |
| Q: i need some help with this problem the question is: evaluate the difference quotient for the given ... A: Questioner: israel Category: Calculus Subject: Calculus Ii need some help with this problem ... | |
| vector fields/exact differential equations | 1/21/2007 |
| Q: I hope this question is in-category and not too simple, but anyway, here it goes: Given a vector ... A: Martin, Sorry for the delay, but I really wasn't sure what you were asking. (I'm still not sure, but ... | |
| Optimization | 1/21/2007 |
| Q: A box with a closed top is to be made from a 6-ft by 10-ft piece of cardboard by cutting out four ... A: Questioner: Amanda Category: Calculus Subject: OptimizationA box with a closed top is to be ... | |
| Arg(z) and complex conjugate. | 1/19/2007 |
| Q: The may be trivial: This is for z = x + iy a complex number I am to find all z such that the ... A: Questioner: Andrew Pearson Category: Calculus Subject: Arg(z)Hello! The may be trivial: >> ... | |
| Quadratic graphs. | 1/17/2007 |
| Q: given that the equation x^2-(2k-1)x=-k^2 does not touch the x-axis,(i) find the range of values ok ... A: Questioner: preety Category: Calculus Subject: add mathsgiven that the equation ... | |
| Exponential functions are not powers of x. | 1/17/2007 |
| Q: right out of our beautiful grade 12 calculus course.. my question is - for functions like x^2, etc. ... A: Questioner: Andrea Category: Calculus Subject: exponential functionsright out of our ... | |
| Applications of Integration | 1/3/2007 |
| Q: what occupations uses integral calculus, besides a math teacher? A: John, Take a look inside your calculus book; you will find a chapter entitled 'Applications of the ... | |
| Applications of Integration. | 1/2/2007 |
| Q: how does integral calculus apply outside of math? A: John, Take a look inside your calculus book; you will find a chapter entitled 'Applications of the ... | |
| even and odd function extensions | 1/1/2007 |
| Q: What is meant by the even extention of a function and by the odd extention of a function?Could not ... A: Questioner: Siddharth Category: Calculus Subject: even and odd extensionWhat is meant by the ... | |
| Differentiation of absolute values | 12/29/2006 |
| Q: I did all of that and I did it all right! Just one more thing, the piecewise funtion part, is this ... A: Questioner: Angie Category: Calculus Subject: differentiation of absolute valuesThanks, I ... | |
| differentiation of absolute vaules | 12/29/2006 |
| Q: I understand this problem perfectly, but I have another one like it and I want to make sure I'm on ... A: Angie, Someone who calls himself 'x' (one of your classmates, perhaps?) has already sent me this ... | |
| Derivatives of Absolute Value | 12/28/2006 |
| Q: f(x)=abs(x)+ xsin(x) Xmin=-2Pie Xmax=2Pie Ymin=-5 Ymax-10 1. Prove that f(x) is an even ... A: Questioner: x Category: Calculus Private: no Subject: applications of derivativesf(x)= ... | |
| differentiation of absolute vaules | 12/26/2006 |
| Q: If f(x)= |x-3| + x^2, which of the following is true about f(x)? a. the function is not continuous ... A: Questioner: Angie Category: Calculus Subject: differentiation of absolute vaulesIf f(x)= ... | |
| cubic yards of an irregular figure | 12/23/2006 |
| Q: A front end loader is a piece of heavy equipment that is often used on construction sites to load ... A: Questioner: Chad Category: Calculus Subject: cubic yards of an irregular figureThanks for ... | |
| cubic yards of an irregular figure | 12/22/2006 |
| Q: Ok here is something I have tried to figure out and cannot. I have a front end loader with a said ... A: Questioner: Chad Category: Calculus Subject: cubic yards of a triangleOk here is something I ... | |
| Product Rule to Diff a Function | 12/22/2006 |
| Q: Using the product rule to differentiate: f(x)=(cosx)ln^(xsqrt3) A: Questioner: Duncan Category: Calculus Subject: Product Rule to Diff an EquationUsing the ... | |
| compound interest | 12/20/2006 |
| Q: I think this fits your expertise, but please excuse me if I'm in the wrong forum. I'm not a student ... A: Questioner: Augusto Category: Calculus Subject: compound interestI think this fits your ... | |
| Angular Speed | 12/18/2006 |
| Q: I need to know the formula for angular speed i know that the linear speed is 15cm/second and the ... A: Questioner: Kendra Category: Calculus Subject: Angular SpeedI need to know the formula for ... | |
| Volume of rotation using integrals | 12/17/2006 |
| Q: I'm in a class of Math Analysis/ Calculus Honors and I've already tried this problem the ... A: Questioner: Joyce Category: Calculus Subject: volume using integralsI'm in a class of Math ... | |
| Recurrence relations | 12/16/2006 |
| Q: A sequence of integers is defined as follows asub1=1 asub2=1 and asubn=.25asub(n-2)+.333asub(n-1) ... A: Questioner: Xia Category: Calculus Subject: sequenceA sequence of integers is defined as ... | |
| Continuity - the Intermediate Value Theorem | 12/15/2006 |
| Q: How do I use the Intermediate Value Theorum to show that a function has at least one solution. For ... A: Questioner: Felicia Category: CalculusHow do I use the Intermediate Value Theorem to show that a ... | |
| Related rates in geometry - REVISED | 12/15/2006 |
| Q: A square is inscribed in a circle. As the square expands, the circle expands to maintain the four ... A: Questioner: Stephanie Category: Calculus Subject: Related ratesA square is inscribed in a ... | |
| Related Rates - conical tank. | 12/14/2006 |
| Q: A conical tank (with vertex down) is 10 feet across the top and 12 feet deep. If water is flowing ... A: Questioner: ridralev2 Category: Calculus Subject: Related RatesA conical tank (with vertex ... | |
| percentages | 12/13/2006 |
| Q: how do i calculate 160 as a percentage of 228? A: Questioner: daniel Category: Calculus Subject: percentageshow do i calculate 160 as a ... | |
| calculus help | 12/13/2006 |
| Q: can you help with these 5 questions these are final questions thank you. ... A: Questioner: Paul Category: Calculus Subject: calculus helpcan you help with these 5 ... | |
| Derivatives and the Mean Value Theorem | 12/12/2006 |
| Q: I have a problem.It;s hard for me to find the right proof for the following problem.We have the ... A: Questioner: Ann Category: Calculus Subject: Derivatives.HELP NEEDED!!!Hello, I have a ... | |
| Applications of Integration | 12/12/2006 |
| Q: maybe you help with just these 3 questions? ... A: Questioner: paul Category: Calculusmaybe you help with just these 3 questions? ... | |
| Related Rates | 12/11/2006 |
| Q: can u help me out with this question The volume of the cylindrical trunk of a tree is proportional ... A: Questioner: jino Category: Calculus Subject: Related Ratescan u help me out with this ... | |
| Very badly behaved functions. | 12/9/2006 |
| Q: 1. is a continous func always monotonic in some sub domain? 2. is there a function which is ... A: Questioner: suraj Subject: functions1. is a continous func always monotonic in some sub ... | |
| Basic differentiation exercises. | 12/8/2006 |
| Q: 1). Calculate dy/dx if y=4x³+3x²+2 A.12x² + 6x B.12x²+6x+2 C.12x³+6x² D.12x³+6x²+2 2).What is the ... A: Questioner: Sonny Category: Calculus1). Calculate dy/dx if y=4x³+3x²+2 A.12x² + 6x B.12x²+6x+2 ... | |
| Related Rates in a triangle | 12/7/2006 |
| Q: I am taking a class that's a mixture of precalc and calc right now. I've tried this problem already ... A: Joyce, Is this your first attempt at R-R problems? If so, the scheme is something like this: 1. ... | |
| Physics-related Calculus | 12/7/2006 |
| Q: I'm a first year college student and I was wondering if you could help me with this problem, it's ... A: Questioner: Faizan Category: Calculus Subject: Physics-related CalculusHello, I'm a first ... | |
| limits (sorta) | 12/6/2006 |
| Q: This one I am totally lost on. Given the sequence {(1/n) n root(n!). Show that the limit as n --> ... A: Questioner: Gary Category: Calculus Subject: limits (sorta)This one I am totally lost on. ... | |
| Improper Integral | 12/6/2006 |
| Q: This ones got me stumped. Thanks. Integrate from inf to -inf e^x ... A: Questioner: Gary Category: Calculus Subject: IntegrationThis ones got me stumped. Thanks. ... | |
| Classic optimization problems | 12/5/2006 |
| Q: I don't know if you do optimization problems, but I've got a couple that I canNOT figure out:( ... A: Questioner: Lily Category: Calculus Subject: Classic optimization problemsI don't know if ... | |
| Separable Differential Equations | 12/5/2006 |
| Q: How do you solve the equation du/dx=1-u(1+ln(x))? A: Questioner: Ken Subject: Separable differential equations. How do you solve the equation ... | |
| Related Rates | 12/4/2006 |
| Q: Jarred The demand for a shirt is 2px-65p-4950=0, where x hundreds of shirts are demanded per week ... A: Questioner: Jarred Category: Calculus Subject: Related Rates The demand for a shirt is ... | |
| Optimization Problems | 12/4/2006 |
| Q: I've got a couple optimization problems that I am having trouble with. 1) A sports complex is to ... A: Questioner: Giselle Category: Calculus Subject: Optimization ProblemsI've got a couple ... | |
| Infinite series-Integral Test | 12/3/2006 |
| Q: I was given a a series from 3 to infinity of 2/(n(ln(n))*sqrt(ln(ln(n)))) and i am clueless where to ... A: Questioner: Mike Category: Calculus Subject: Infinite seriesHi Paul, I was given a series ... | |
| limits by delta-epsilon | 12/3/2006 |
| Q: Prove that lim as x->a (sqrt x)= sqrt a I just cant figure out the right epsilon delta combination. ... A: Questioner: sammy Category: CalculusProve that lim as x->a (sqrt x)= sqrt a I just cant figure ... | |
| Integration | 12/1/2006 |
| Q: Paul I am working on my final review and need your help on some questions. Thank you in advance. ... A: Questioner: Gary Category: Calculus Subject: IntegrationPaul I am working on my final review ... | |
| related rates calculus | 12/1/2006 |
| Q: The population of New Hedonia is 230000, and rising at the rate of 5000 people per year. The total ... A: Al, ....................................... Subject: related ratesThe population of New Hedonia is ... | |
| Related Rates | 11/10/2006 |
| Q: This is the other one I am struggling with. The hypotenuse of a right triangle is growing at the ... A: Questioner: Gary Category: Calculus Subject: CalculusThis is the other one I am struggling ... | |
| Definite integrals with variable limits. | 11/10/2006 |
| Q: Paul I got just a few left on my study guide and I know you will probably find these easy but I ... A: Questioner: Gary Category: CalculusPaul I got just a few left on my study guide and I know you ... | |
| Area between two curves. | 11/9/2006 |
| Q: As I go through my study guide I am finding some questions that perplex me hopefully you can help me ... A: Questioner: Gary Category: Calculus Subject: Graph curvesAs I go through my study guide I am ... | |
| General Math Advice | 11/9/2006 |
| Q: I am a junior in high school and I was wondering even though this is kind of off topic how do I get ... A: Questioner: Anonymous Category: Calculus Private: no Subject: Math adviceHi, I am a junior ... | |
| Cal I skectching a graph, first der. test and second derivative test, and asymptotes | 11/8/2006 |
| Q: Explain why the function f(x) = {1 if x is less than or equal to 0 and (1/x) if x is greater than 0, ... A: Questioner: Tom Category: Calculus Subject: Sketching a graph with asymptotes.Hi paul my ... | |
| Area of triangles | 11/7/2006 |
| Q: I am having some trouble with the followingFind the area of each triangle. Use a different area ... A: Questioner: Ajay Category: Calculus Subject: Area of trianglesHello I am having some trouble ... | |
| Tangent Line to a graph | 11/6/2006 |
| Q: How do you find the equation of the tangent line to the graph of f at th given point. f(s) = ... A: Questioner: SimoneRenee Category: Calculus Subject: Tangent LinesHow do you find the ... | |
| Proof of limit properties. | 11/6/2006 |
| Q: I want the proof of Power rule in limit laws which states that the limit of the rational power of a ... A: Questioner: Minirani Category: CalculusI want the proof of Power rule in limit laws which states ... | |
| Related Rates. | 11/5/2006 |
| Q: I have attempted this question, but I got stuck because I'm not sure what the formula for the Volume ... A: Questioner: Gallic Category: Calculus Subject: Related Rates.I have attempted this question, ... | |
| second derivative | 10/30/2006 |
| Q: We are learning about concavity, and in general i am having difficulty findng second derivatives ... ... A: Questioner: alison Category: Calculus Private: no Subject: second derivativehello We are ... | |
| radioactive decay problem | 10/29/2006 |
| Q: At the beginning of an experiment, a scientist has 264 grams of radioactive goo. After 240 minutes, ... A: Questioner: Gur Category: Calculus Subject: radioactive decay problemAt the beginning of an ... | |
| Exponential, Log and Inverse Trig Functions | 10/28/2006 |
| Q: I got a question for a couple of problems I am working. I want to make sure I am doing this right. ... A: Questioner: Gary Category: Calculus Subject: Exponential, Log and Inverse Trig FunctionsI ... | |
| Derivative | 10/24/2006 |
| Q: my name is David and I'm taking cal.1 right now. The question is : What function f(x) has a fourth ... A: Questioner: David S. Category: Calculus Subject: DerivativeHello again, my name is David ... | |
| separable equations | 10/24/2006 |
| Q: please tell me what im doing wrong. general solution of separable equation: dx/dy = ... A: Questioner: Daniel Category: Calculus Subject: separable equationsplease tell me what im ... | |
| Calculus problem | 10/23/2006 |
| Q: A rectangular box is to have a square base and a volume of 24 cubic feet. Te material for the top ... A: Questioner: RAsheedah Brown Category: Calculus Subject: Calculus problemA rectangular box is ... | |
| Related Rates | 10/23/2006 |
| Q: how would i differentiate (1/sinY)(ysin(theta))?!?! i know it involves the chain rule, but i'm ... A: Questioner: Rachel Category: Calculus Subject: Related Rateshow would i differentiate ... | |
| Related Rates | 10/21/2006 |
| Q: !! I feel like I'm beginning to really grasp the concept. I do have a couple questions about number ... A: Questioner: Rachel Category: Calculus Subject: Related RatesThank you so much for your help! ... | |
| Related Rates | 10/21/2006 |
| Q: Studying related rates 1)As a circular steel griddle is being heated, it's diameter changes at a ... A: Questioner: Rachel Category: Calculus Subject: Related RatesStudying related rates 1)As a ... | |
| even function | 10/20/2006 |
| Q: How do I find a even function? For example: f(x)=4x-2 f(x)=3-x^2 and f(x)=x/x+1 A: Questioner: Francis Category: Calculus Subject: even functionHow do I find a even function? ... | |
| RE: Integration: Special case... | 10/19/2006 |
| Q: Sorry, I don't know what happened but I hope you could read it this time, and thanks a lot for your ... A: Questioner: Priere Category: Calculus Private: no Subject: RE: Integration: Special ... | |
| Limits | 10/18/2006 |
| Q: Amy said that the function f(x) had the limit of 4 as x went to (positive) infinity. Bao said that ... A: Lily Asks in Category Calculus ... Subject: LimitsAmy said that the function f(x) had the limit ... | |
| second derivatives | 10/16/2006 |
| Q: I'm having difficulty find the f''(x) of f(x) = (x^2)/[(x^2)+3] I know the f'(x) = 6x[(x^2-1)]^2 ... A: john rhem Asks in Category Calculus ... Subject: second derivativesI'm having difficulty ... | |
| Differentiating Trigonometric Equations | 10/15/2006 |
| Q: Could you advise me how to get started with the following question. y= INV Sin (x/5) Should i ... A: Annie Asks in Category Calculus ... Subject: Differentiating Trigonometric EquationsHi, Could ... | |
| Calculus Help | 10/15/2006 |
| Q: My name is Meghan and I am in Grade 12 University level (AP) Calculus and I really need some help. I ... A: Meghan Asks in Category Calculus ... Subject: Calculus Help Private: noHi! My name is Meghan ... | |
| domain and range in calculus also the derivatives | 10/11/2006 |
| Q: domain and range in calculus what are the techniques there ang in derivatives A: Mark, I am afraid I won't be able to answer this question in less than about a year. The ... | |
| Finding derivative | 10/10/2006 |
| Q: My name is David and Im taking Calculus I right now. A) Find d/dx of sqaure root of (169/x)- x. I ... A: David S. Asks in Category Calculus ... Subject: Finding derivative Private: noMy name is ... | |
| 1st order differential equations | 10/9/2006 |
| Q: I am studying Calculus in a 1st degree computer course. I am trying to understand a worked example ... A: winston morris Asks in Category Calculus ... Subject: 1st order differential equations ... | |
| quadratic function | 10/8/2006 |
| Q: My name is Pamela and I am studying Per-Cal. I really don't even know how to start is question, so ... A: pamela Asks in Category Calculus ... Subject: quadratic function Private: noMy name is Pamela ... | |
| Finance related | 10/6/2006 |
| Q: My name is Byron and I am studying Finance right now. I am confused as to what formulas to use in ... A: Byron Asks in Category Calculus ... Subject: Finance related Private: noMy name is Byron and ... | |
| Distinct Roots | 10/5/2006 |
| Q: .. you have helped me immensely!! My name is Mary and I am studying Calculus 1. I am very rusty ... A: Mary Asks in Category Calculus ... Subject: Distinct RootsHi Paul, thank you for all of your ... | |
| Point of Inflection | 10/4/2006 |
| Q: The first derivative equals 0 at points p and q . The second derivative equals 0 at points p and r. ... A: Roger Calc I Asks in Category Calculus ... Subject: Point of InflectionThe first derivative ... | |
| Continuous or not | 10/4/2006 |
| Q: My name is Mary and I am studying Calculus 1. The problem that I'm having is understanding how you ... A: Mary Asks in Category Calculus ... Subject: Continuous or notHello Paul My name is Mary and I ... | |
| Points on a Curve | 10/3/2006 |
| Q: My name is MB and I am studying Calculus 1. It's been awhile since I've worked with calculus, so ... A: MB Asks in Category Calculus ... Subject: Points on a CurveHi Paul, My name is MB and I am ... | |
| an annoying related rate | 10/2/2006 |
| Q: THis helped so much, but i just have one more question. At the end ofthe problem you said deivide ... A: kelsey Brannan Asks in Category Calculus ... Subject: an annoying related rate Private: ... | |
| Difference quotient | 10/2/2006 |
| Q: Find an algebraic expression for the difference quotient (f(1+deltX)- f(1))/ deltX when f(x)= ... A: David Asks in Category Calculus ... Subject: Difference quotientFind an algebraic expression ... | |
| an annoying related rate | 10/2/2006 |
| Q: I have been working on this related rate problem forever,a nd I don't seem to be getting anywhere. ... A: kelsey Brannan Asks in Category Calculus ... Subject: an annoying related rate Private: noI ... | |
| The Graph of a Rational Function | 10/1/2006 |
| Q: I am studying College Algebra, and this question has got me stumped. the question is this: Describe ... A: Oliver Asks in Category Calculus ... Subject: The Graph of a Rational Function Private: noI ... | |
| Trigonometry | 7/20/2006 |
| Q: Sin theta10/2=5/12 Theta10=2*Sin-1(5/12) Don't know what the next steps are to solve. Answer - ... A: Debora, >> Yes, that's the answer I get, too, actually the calculator says: ... | |
| Trigonometry | 7/19/2006 |
| Q: Sin theta10/2=5/12 Theta10=2*Sin-1(5/12) Don't know what the next steps are to solve. A: Debora,Sin theta10/2=5/12 Theta10=2*Sin-1(5/12) Don't know what the next steps are to solve. ... | |
| Work | 7/19/2006 |
| Q: Consider 15 ft chain hanging from ceiling weighing 3lb./ft. a.How much work is needed to take the ... A: Roger Asks in Category Calculus ...Consider 15 ft chain hanging from ceiling weighing 3 lb./ft. ... | |
| Infinite Series for e^x/x | 7/18/2006 |
| Q: I'm in Calc 2, and I have a problem that asks me to "evaluate (Integral sign)e^x/x as an infinite ... A: Ashley,I'm in Calc 2, and I have a problem that asks me to "evaluate (Integral sign)e^x/x as an ... | |
| Summing a non-geometric series | 6/27/2006 |
| Q: I'm working on problem here at work that I have boiled down to the following series... F(1) = ... A: Uriah, I'm sorry -- this does not look familiar; the general expression has the form: k=n ... | |
| Cost functions... | 6/26/2006 |
| Q: I am lost when it comes to this problem in my homework - please help! Let C(q)=q^3-18q^2+750q be ... A: Todd, Subject: Cost functions...I am lost when it comes to this problem in my homework - please ... | |
| Continuously Compounded Interest | 6/25/2006 |
| Q: My name is Chris and I am studying Business Calculus. The problem is as follows: Your family owns ... A: Chris, Subject: Continuously Compounded InterestMy name is Chris and I am studying Business ... | |
| Calculus: convergent or divergent integrals | 6/25/2006 |
| Q: My name if Flori and I am trying to solve an improper integral, such as int(ln(x)/x^3, x = 1 .. ... A: Flori, Subject: Calculus: convergent or divergent integralsHi, My name if Flori and I am trying ... | |
| Spherical caps, maximum view | 6/23/2006 |
| Q: Paul Yes, your rewording of the problem is correct. I use the term "spherical cap" because the ... A: Kenneth, On the spherical caps problem. (Really the difficulty lies in the fact that you British ... | |
| Spherical caps, maximum view | 6/22/2006 |
| Q: Ken Rowe-Mathematical "Hobbiest" I believe this to be an old problem from one of the Cambridge ... A: Kenneth, We're getting closer, but one thing still worries me -- the term 'spherical caps' is not a ... | |
| Spherical caps, maximum view | 6/22/2006 |
| Q: Ken Rowe-Mathematical "Hobbiest" I believe this to be an old problem from one of the Cambridge ... A: Kenneth, Subject: Spherical caps, maximum viewKen Rowe-Mathematical "Hobbiest" I believe this to ... | |
| Calculus - function analyzation... | 6/22/2006 |
| Q: I am really confused about how to do the following problem: PLEASE HELP! Analyze the function f(x) ... A: Todd, Subject: Calculus - function analyzation...I am really confused about how to do the ... | |
| Related Rates Revenue | 6/21/2006 |
| Q: Recall that revenue is defined R=pq. Suppose you work for a company that has revenue this month of ... A: Todd, Subject: Related Rates RevenueRecall that revenue is defined R=pq. Suppose you work for a ... | |
| Reduction Formula | 6/19/2006 |
| Q: Hey Paul, I've basically tried almost every technique I know to find this reduction formula, and I ... A: Ali, You wrote: Subject: Reduction FormulaHey Paul, I've basically tried almost every technique I ... | |
| Calculus Revenue Problem | 6/16/2006 |
| Q: I'm having a very difficult time figuring out a certain calculus word problem involving revenue. ... A: Shawn, You wrote: Subject: Calculus Revenue ProblemHello Paul. I'm having a very difficult time ... | |
| Fonding Slope of Tangents | 6/14/2006 |
| Q: I am unsure how to find the tangent of y=1+x+x^2, when a. x=a, b. x-coordinate of -1, c. ... A: C J, You wrote: Subject: Fonding Slope of TangentsI am unsure how to find the tangent of ... | |
| Related Rates | 6/12/2006 |
| Q: Suppose that water is being poured into a cubical tank at the rate of 100 cubic feet per minute. If ... A: John, Subject: Related RatesSuppose that water is being poured into a cubical tank at the rate of ... | |
| calculus | 6/12/2006 |
| Q: I am attempting to find the Taylor polynomial of order four for the function of ln(1 + x^2) at x = ... A: Bob Reed Asks in Category Calculus: Subject: calculusI am attempting to find the Taylor polynomial ... | |
| Related Rates | 6/12/2006 |
| Q: A plane flying north at 640 miles/hour passes over a certain town at noon, and a second plane going ... A: John, You wrote: Subject: Related RatesA plane flying north at 640 miles/hour passes over a ... | |
| 3D differentiation | 6/8/2006 |
| Q: Not studying at the moment but need this in a compression program I am trying out just for the hell ... A: Tony, Subject: 3D differentiationHi Tony here Not studying at the moment but need this in a ... | |
| Integration | 6/8/2006 |
| Q: I need help two integration problems. the first is (x^3/(x²-4)^.5)dx I know that x=2sec@ and ... A: Ardian, You wrote: (and I wish I knew how) Subject: IntegrationHi, I need help two integration ... | |
| differential calculus | 6/5/2006 |
| Q: please help! find the dimensions of a rectangular region with the maximum area that can be enclosed ... A: Hannah, You wrote: Subject: differential calculushi, please help! find the dimensions of a ... | |
| likelihood function | 5/11/2006 |
| Q: and I am sure its incredibly obvious, but maybe you can show me the light at the end of the tunnel! ... A: Bill, (or is it Will?) You wrote: Subject: likelihood functionHi I have been pondering this a ... | |
| factoring | 5/9/2006 |
| Q: I have a very simple question. How do you factor something like: 9c^2 - 24cd + 16d^2 ? Also, ... A: brittyyyyyyyy, [did your parents really give you that name, or did your keyboard get stuck?] ... | |
| Proof of continuity given differntiability at a point. | 5/8/2006 |
| Q: I'm trying to prove that a function f is continuous at a point a given that it is diffentiable at a: ... A: James, You wrote: Subject: Proof of continuity given differntiability at a point. I'm trying ... | |
| natural logs | 5/7/2006 |
| Q: Q: Can you take the natural log of a natural log? 1. Kelly 2. Calculus Problem: f(x) = ln[ln(x)] ... A: Kelly, You wrote: Subject: natural logsQ: Can you take the natural log of a natural log? >> ... | |
| Calculus | 5/3/2006 |
| Q: A rectangle ABCD has sides parallel to the coordinate axes and point A is located at the origin. A ... A: Emmett, Subject: CalculusA rectangle ABCD has sides parallel to the coordinate axes and point A is ... | |
| Calculus | 5/3/2006 |
| Q: Given the equation x^5 (thats x to the fifth power) + 4x -3 = 0 Use the Intermediate Value ... A: Emmett, Subject: CalculusGiven the equation x^5 + 4x -3 = 0 Use the Intermediate Value Theorum ... | |
| Calculus | 5/2/2006 |
| Q: My name is Keegan and I am studying Calculus in the field of Mechanical Enginneering The Problem is ... A: Keegan, You wrote: Subject: CalculusMy name is Keegan and I am studying Calculus in the field of ... | |
| Related Rates | 5/1/2006 |
| Q: The ends of a water trouph are equilateral triangles whos sides are 2m long. The length of the ... A: 08, You wrote: Subject: Related RatesThe ends of a water trouph are equilateral triangles whose ... | |
| optimization problem | 5/1/2006 |
| Q: Find two numbers whose difference is 100 and whose sum is a minimum. A: Nicole, You wrote: Find two numbers whose difference is 100 and whose sum is a minimum. ... | |
| Application of Differentation | 4/30/2006 |
| Q: my name is Julia and I have a question to your answer to the following publishedExpert: Paul ... A: Julia, You are indeed correct. I must have been in too much of a hurry at the time, and totally ... | |
| Calculus | 4/24/2006 |
| Q: find the dimension of the rigth circular cylinder of 3000 cm^3 volume with minimum cost A: Diana, You wrote: Subject: Calculusfind the dimension of the rigth circular cylinder of 3000 cm^3 ... | |
| max distance | 4/23/2006 |
| Q: A particle moves along the x-axis so that its velocity at time t is given by v(t)=-(t+1)sin(t^2/2) ... A: Jeff, I found the reference. Of course, they made me register and log in, but I was able to fake ... | |
| Calculus | 4/22/2006 |
| Q: Basically the problem goes, "A particle is moving along the plane curve X2 (x squared) + y2 (y ... A: Emmett, Subject: CalculusHi my name is Emmett and I am trying to figure out this cal problem. ... | |
| integral | 4/21/2006 |
| Q: The regions A, B, and C are bounded by the graph of function f and the x-axis. If the area of each ... A: Jeff, Sorry, I can't make out what it looks like. Why don't you scan it in and send the picture to ... | |
| tangent line | 4/21/2006 |
| Q: This following problem is probably the most difficult problem I have ever faced in Calculus as I ... A: Jeff, Subject: tangent lineHello Paul, This following problem is probably the most difficult ... | |
| Pre-Calculus | 4/20/2006 |
| Q: My name is Colleen. I am studying Pre-calculus. I am baffled by this problem. I have been trying ... A: Colleen, You wrote: Subject: Pre-CalculusMy name is Colleen. I am studying Pre-calculus. I am ... | |
| Integrals | 4/20/2006 |
| Q: My name is Lisa and I am studying integration. We were given a problem that had a graph and it ... A: Lisa, I think I need more information, such as a picture, or the integrals, or something else. BUT ... | |
| Integration | 4/19/2006 |
| Q: Well I want to know what do you mean by Integrating a function over a circle.I would also like to ... A: Palash, You wrote: Subject: IntegrationWell I want to know what do you mean by Integrating a ... | |
| rate of change | 4/11/2006 |
| Q: A point (x,y) is moving along a curve y=f(x). At the instant when the slope of the curve is -1/3, ... A: Jeff, Time is getting short, I know. Already I was reminded of this when my brother-in-law told us ... | |
| area | 4/11/2006 |
| Q: A rectangle with one side on the x-axis has its upper vertices on the graph of y=cosx .What is the ... A: Jeff, Subject: areaHi, A rectangle with one side on the x-axis has its upper vertices on the ... | |
| AP Exam 2003 form B | 4/9/2006 |
| Q: Please go to: http://apcentral.collegeboard.com/repository/ap03_sg_calculus_ab_b_26473.pdf This is ... A: Jeff, You wrote: Subject: AP Exam 2003 form BHi Paul, Please go to: ... | |
| Maximum area | 4/9/2006 |
| Q: My name is Janette I am studying maths education andI know this is simple but I want to check ... A: Janette, You wrote: I am studying math education and I know this is simple but I want to check ... | |
| Now let's assume that Sue... | 4/8/2006 |
| Q: Now let's assume that Sue and Ann do not study together, so whether one passes will be independent ... A: Jason Asks in Category Calculus: Subject:Now let's assume that Sue and Ann do not study together, ... | |
| integration by substitution | 4/7/2006 |
| Q: My name is Megan and I can not figure out how to integrate cos 4x/(1+2 sin4x)^4 dx I have tried ... A: Megan, Subject: integration by substitutionMy name is Megan and I can not figure out how to ... | |
| limit of integral | 4/7/2006 |
| Q: My AP exam is 3 weeks away and I'm studying hard! I'm hoping you can help me with the followingIf F' ... A: Jeff, Subject: limit of integralHi Paul, My AP exam is 3 weeks away and I'm studying hard! I'm ... | |
| rate of change | 4/7/2006 |
| Q: how does my answer key get "5 million"?Hi Paul, A certain species of fish will grow from x million ... A: Jeff, Sorry, but I can't come up with anything really good on this one. Normally, growth of a ... | |
| related rates | 4/5/2006 |
| Q: Ok, here's another one. A boat is pulled into a dock by a rope attached to the bow of the boat and ... A: Nicole Asks in Category Calculus: Subject: related ratesOk, here's another one. A boat is pulled ... | |
| This too | 4/5/2006 |
| Q: Also: Evaluate using integral table, indicate formula number and simplify as much as possible. ... A: Donny, You wrote: Evaluate using integral table, indicate formula number and simplify as much as ... | |
| rate of change | 4/4/2006 |
| Q: A certain species of fish will grow from x million to x(15-x) million each year. In order to sustain ... A: Jeff, You wrote (sort of) A certain species of fish will grow from x to x(15-x) each year. In ... | |
| related rates | 4/4/2006 |
| Q: If a snowball melts so that its surface area decreases at a rate of 1 cm^2/min, find the rate at ... A: Nicole, You wrote (sort of) Subject: related ratesIf a snowball melts so that its surface area ... | |
| Linear Algebra | 4/3/2006 |
| Q: Find principal axes of the quadratic form q(x) = 2(x1)^2 + 3(x2)^2 + 2(x3)^2 - 2x1x3 Thank You ... A: Nadia, I am afraid it has been a long time since I did any linear algebra and it may take me some ... | |
| integration given 1 definite integral | 3/31/2006 |
| Q: Let f be a continous function such that the integral of [f(2x)] dx from 2 to 3 =8. What is the value ... A: Jeff, Subject: integration given 1 definite integralHi Paul, Let f be a continous function such ... | |
| calc 1 | 3/29/2006 |
| Q: #1 Determine F'' with respect to x: ln ((e^x) – 1) #2 An object moves vertically ... A: Paul, Subject: calc 1#1 Determine F'' with respect to x: ln ((e^x) - 1) #2 An object ... | |
| first derivative to find slope of tangent line | 3/28/2006 |
| Q: My name is Pernell. Studying calculus. I tried by taken the given: f(x)=2x^+ x, find the equation of ... A: Pernell, You wrote: Subject: first derivative to find slope of tangent lineMy name is Pernell. ... | |
| i'm denise and i'm doin calculus.i... | 3/28/2006 |
| Q: i'm denise and i'm doin calculus.i made an equation in order to use the differentiation method to ... A: Denise, First suggestion: When you enter your problems into the computer, they are easier for me ... | |
| The differential | 3/27/2006 |
| Q: Can the dx found in an integral be thought of as a differential? A: Ronald, You wrote: The differentialCan the dx found in an integral be thought of as a differential? ... | |
| Related Rates - Pyramid | 3/27/2006 |
| Q: Paul Klarreich, My name is Daniel and I'm studying Calculus AB abroad (Brazil). I've tried this ... A: Daniel, You wrote: Related Rates - PyramidDear Mr. Paul Klarreich, My name is Daniel and I'm ... | |
| area of stadium | 3/26/2006 |
| Q: what is the maximum area of a stadium (ice rink shape) whose perimeter is 200 meters A: Greg, You wrote: area of stadiumwhat is the maximum area of a stadium (ice rink shape) whose ... | |
| Solving the Quintic | 3/24/2006 |
| Q: There are algorhythms for sloving quadratic, cubic and quartic equations. Is there an algabraic ... A: Jason, You wrote: Subject: Solving the QuinticHello. There are algorhythms for sloving quadratic, ... | |
| chain rule | 3/23/2006 |
| Q: I am studying Calculus and am On the chain rule. This is the weirdest concept ever. I have worked ... A: Josh, You wrote:Hello my name Is joshua gesell. I am studying Calculus and am On the chain rule. ... | |
| related rates(kind of) | 3/21/2006 |
| Q: I hope I'm finding you in the best of health. Please go to the following site for my ... A: jeff, You wrote: Subject: related rates(kind of) >> Actually, it isn't.Hi, I hope I'm finding ... | |
| Second derivatives | 3/21/2006 |
| Q: 1. My name is Danielle 2. I am studying Calculus with Analytic Geometry 3. I can follow through on ... A: Danielle, You wrote:1. My name is Danielle 2. I am studying Calculus with Analytic Geometry 3. I ... | |
| calculus/integation | 3/19/2006 |
| Q: I am an adult doing home study of beginning calculus. Through the operation of integration, we are ... A: You wrote: ..................... Wayne Asks in Category Calculus: Subject: ... | |
| critical numbers | 3/16/2006 |
| Q: i tried to do this problem, i am just looking for verification that it is correct. If i did ... A: chevonne, Subject: critical numbersHi again, i tried to do this problem, i am just looking for ... | |
| L'Hospital's Rule | 3/15/2006 |
| Q: Im completly lost on what to do here, i tried taking the ln of both sides, but it didnt seem right. ... A: Chevonne, Subject: L'Hospital's RuleIm completly lost on what to do here, i tried taking the ln of ... | |
| IVT/Rolle's Theorm | 3/15/2006 |
| Q: Im really not sure at all what to do here. PLease help me. Show that the equation 2x-1-sinx=0 has ... A: Chevonne, You wrote: Subject: IVT/Rolle's TheormIm really not sure at all what to do here. PLease ... | |
| critical values | 3/15/2006 |
| Q: i tried to do this problem, i am just looking for verification that it is correct. If i did ... A: Chevonne, Subject: critical valuesHi again, i tried to do this problem, i am just looking for ... | |
| Derivative | 3/14/2006 |
| Q: 1. Deborah 2. Calculus 3. I've already tried the problem but dont understand how to arrrive at the ... A: Deborah, You wrote: Subject: Derivative1. Deborah 2. Calculus 3. I've already tried the problem but ... | |
| Calculus | 3/13/2006 |
| Q: A rectangular field is going to be enclosed and divided into two separate rectangular areas. (the ... A: Julia Asks in Category Calculus: Subject: CalculusA rectangular field is going to be enclosed and ... | |
| integral calculus and the substitution rule | 3/13/2006 |
| Q: 1 kyle 2 calculus and the substitution rule 3 ? if f is continuous and s from 0 to 9 f(x)dx=4, ... A: kyle, You wrote: Subject: integral calculus and the substitution rule1 kyle OK, OK, I get your ... | |
| integral | 3/12/2006 |
| Q: i wonder how the 3 dissapered from the answer. Followup To Question - evaluate the integral 1 ... A: Ali, Of course, you didn't notice the sneaky trick i pulled on you, just as you didn't notice my ... | |
| Sum of an infinite series | 3/11/2006 |
| Q: I must find the sum of the series... sum from n=2 to inifnity of ln(1-(1/(n^2))). I have NO idea ... A: Jose,I must find the sum of the series... sum from n=2 to inifnity of ln(1-(1/(n^2))). I have NO ... | |
| integral | 3/10/2006 |
| Q: evaluate the integral IN THREE THREE WAYS X DIVIDED BY THE SQUAREROOT OF (X^2-9). hint : let x^2-9 = ... A: Amanda, Subject: integralevaluate the integral IN THREE THREE WAYS X DIVIDED BY THE SQUAREROOT OF ... | |
| Precession of the earth | 3/9/2006 |
| Q: I'm Wayne. I'm trying to compute the max torque the moon could have toward causing the precession of ... A: Wayne, I'm sorry, but it has been many, many years since college physics and I'm out of my league ... | |
| Calculus | 3/8/2006 |
| Q: Hey, i'm Ibraheem Tannira, I'm a senior studying Calculus, i really wanna thank u for ur help in ... A: Ibraheem, You wrote: Subject: CalculusHey, i'm Ibraheem Tannira, I'm a senior studying Calculus, i ... | |
| Slope of a Tangent | 3/8/2006 |
| Q: Fine the points on the graph of y = (x^3)/3 - 5x - 4/x at which the slope of the tangent is ... A: Dave, You wrote: Subject: Slope of a TangentFine the points on the graph of y = (x^3)/3 - 5x - 4/x ... | |
| Calculas | 3/7/2006 |
| Q: What is the Integration of ((csc x)/(2(sin x + cos x))) A: Ibraheem, Subject: Calculas >> That's Calculus.What is the Integration of ((csc x)/(2(sin x + ... | |
| differentials | 3/7/2006 |
| Q: luke differentials f(x)= 3/SQUARE ROOT OF X I HAVE TRIED FINDING THE F' BUT I AM COMPLETELY LOST. ... A: Luke, You wrote: Subject: differentials differentials f(x)= 3/SQUARE ROOT OF X I HAVE TRIED ... | |
| Calculas (Integration) | 3/6/2006 |
| Q: What is the Integration of Sec x dx A: Ibrahim, You wrote:What is the Integration of Sec x dx ------------------------------ This is a ... | |
| volume of circular torus prrof | 3/3/2006 |
| Q: I wanted to see how to derive the formula for the volume of a circular torus. I know the volume of ... A: Ashwin, (Should I address you as Kumar?) YourI wanted to see how to derive the formula for the ... | |
| Rate of change | 2/28/2006 |
| Q: My name is Jake and i am studying rates of change in calculus. The question i am having troubles ... A: Jake, You wrote: Subject: Rate of changeMy name is Jake and i am studying rates of change in ... | |
| linear approximations | 2/27/2006 |
| Q: Find the linear approximation of the function g(x)= (1+x)^(1/3) at a=0 and use it to approximate ... A: chevonne Asks in Category Calculus: Subject: linear approximationsFind the linear approximation of ... | |
| related rates | 2/27/2006 |
| Q: Two carts, A and B, are connected by a rope 39ft long that passes over a pully P. The point Q is on ... A: Chevonne, Subject: related ratesTwo carts, A and B, are connected by a rope 39 ft long that passes ... | |
| hyperbolic functions | 2/27/2006 |
| Q: find the derivative: y = x/xtanh+ln*sqrt(1-x^2) A: chevonne, Yourfind the derivative: y = x/xtanh+ln*sqrt(1-x^2) ------------------------------- ... | |
| Cal/ Trig | 2/26/2006 |
| Q: how would I find the area of an triangle with a=11.8, b=12.6, and c=14.8 A: Dipti, Subject: Cal/ Trighow would I find the area of an triangle with a=11.8, b=12.6, and c=14.8 ... | |
| Calculus/Trig | 2/26/2006 |
| Q: how would i do this? Given the triangle with b=4, c=10, and A= 84 degrees, what is the length of ... A: Dipti, You wrote: Subject: Calculus/Trighow would i do this??? Given the triangle with b=4, ... | |
| Differential Equations | 2/25/2006 |
| Q: I have a question about the constant of integration when integrating both sides of a diff e. The ... A: Brian, You wrote: Subject: Differential EquationsI have a question about the constant of ... | |
| Range | 2/24/2006 |
| Q: How do you find the range of a function when it is in completed square form- (x+a)^2 +b I took the ... A: Simon, You wrote: Subject: RangeHello. How do you find the range of a function when it is in ... | |
| differential equations | 2/24/2006 |
| Q: I hope I'm finding you in the best of health. ... A: Jeff, You wrote: Subject: differential equationsHi, I hope I'm finding you in the best of health. ... | |
| implicit differentiation | 2/22/2006 |
| Q: use implicit differentiation to find an equation of the tangent line to the curve at a given point. ... A: chevonne, Subject: implicit differentiationuse implicit differentiation to find an equation of the ... | |
| implicit differentiation | 2/22/2006 |
| Q: find the second derivative of: x^1/2 + y^1/2 = 1 A: Chevonne, Subject: implicit differentiationfind the second derivative of: x^1/2 + y^1/2 = 1 ... | |
| bernoulli | 2/22/2006 |
| Q: y'+2xy=xy^2 A: Rozzi, You wrote: Subject: bernoulliy'+2xy=xy^2 ---------------------------- Huh??? What's the ... | |
| greens theorem | 2/22/2006 |
| Q: im a little stuck with thisQ: Use a line integral round the ellipse (x^2/a^2)+(y^2/b^2) = 1 to find ... A: James Waller Asks in Category Calculus: Subject: greens theoremHi, im a little stuck with thisQ: ... | |
| revolution solids | 2/21/2006 |
| Q: Find the volume of the solid of rotation obtained by spining the region determined in the first ... A: Graciela, YourFind the volume of the solid of rotation obtained by spinning the region determined in ... | |
| Solid of revolution | 2/21/2006 |
| Q: My name is dragracielarosario2001@yahoo.es 1-Find the volume of the solid of revolution obtained ... A: Graciela, I am afraid that if you ask me to do all your homework there wouldn't be time to get it ... | |
| Improper integrals / work | 2/20/2006 |
| Q: A 5-ton rocket is fired from the surface of the earth into outer-space. a)How much work is required ... A: Jose, It has been too long (try 48 years) since I took physics, but it seems to me that you would ... | |
| find integral of both problems | 2/18/2006 |
| Q: 1. (x+2)/(x-2)^4 2. (x^2 -5x +6)/(x^2 + 4) A: Sonny, I think this is the first time you have sent a question, in which case I must give you this ... | |
| limits | 2/16/2006 |
| Q: Given the function f(x)={x^2-1 if x<3 {2x+1 if x>3 Find the limit of f(x) ... A: Jackie, You wrote:Given the function f(x) = {x^2-1, if x<3 {2x+1, if x>3 Find the ... | |
| Calculus | 2/16/2006 |
| Q: 1) Find the extrema (maximums and minimums) of the function: f(x)= xe^(-2x). 2) Find the slope of ... A: Tina, Your1) Find the extrema (maximums and minimums) of the function: f(x)= xe^(-2x). 2) Find ... | |
| Series | 2/14/2006 |
| Q: something to do with this formula: Sn=a1-a1r^n ------------- 1-r S6=252 S2=12 S4=? ... A: Aqsa, Subject: SeriesHi. i would like to know: if i knew that: Sum of the first 6 numbers in a ... | |
| Brief calc | 2/14/2006 |
| Q: I don't actually have one question in Calculus but rather if you know a web source that might help ... A: Chuck, You wrote: Chuck Asks in Category Calculus: Subject: Brief calcHi Paul, I don't actually ... | |
| Areas | 2/14/2006 |
| Q: Goodday, Please how am i supposed to find the area below the curve y = 1/x from x = 0 to x = 2. ... A: Pharell, You wrote: Subject: AreasGoodday, Please how am i supposed to find the area below the ... | |
| Calculus | 2/13/2006 |
| Q: Find the derivative of the functions. 1. f(x)= ln(2x/x+3) 2. f(x)= ln(x + square root of(4+x^2)) A: Oz, You wrote: Subject: CalculusFind the derivative of the functions. 1. f(x)= ln(2x/x+3) 2. ... | |
| Differentiation | 2/12/2006 |
| Q: I'm doing some review problems in preperation for a midterm and was wondering if you could help me ... A: Tom, YourI'm doing some review problems in preperation for a midterm and was wondering if you could ... | |
| vector fields | 2/12/2006 |
| Q: sorry, here is the question in full: Show that a spherically symmetric vector field F of the form F ... A: James, You wrote:hi again, sorry, here is the question in full: Show that a spherically symmetric ... | |
| prev question | 2/11/2006 |
| Q: sorry in my previous question i had a typo, it should have been F = f(r)r* [not f'(r)]. thank you A: James, You wrote: ....................... James Asks Subject: prev questionsorry in my previous ... | |
| calculus 2 related rates | 2/9/2006 |
| Q: An aircraft climbing at a constant angle of 30o above the horizontal passes directly over a ground ... A: Ali, You wrote: Subject: calculus 2 related ratesAn aircraft climbing at a constant angle of 30o ... | |
| I cant find the second derivative please help | 2/9/2006 |
| Q: x^2+6xy+y^2=8 please show me the work A: nic, You wrote: I cant find the second derivative please helpx^2+6xy+y^2=8 please show me your ... | |
| Maths Question | 2/8/2006 |
| Q: find the shortest distance from the point(4,2) to the parabola 8x=y^2 A: Brian, Yourfind the shortest distance from the point(4,2) to the parabola 8x=y^2 I suppose there ... | |
| I cant find the second derivative please help | 2/8/2006 |
| Q: x^2+6xy+y^2=8 please show me your work A: nic, You wrote: Subject: I cant find the second derivative please helpx^2+6xy+y^2=8 please show ... | |
| Optimization regarding angles | 2/8/2006 |
| Q: In the figure ( http://img.photobucket.com/albums/v211/silverpyro/11.jpg ), BD is an advertisement ... A: Mona, YourIn the figure ( http://img.photobucket.com/albums/v211/silverpyro/11.jpg ), BD is an ... | |
| calculus | 2/5/2006 |
| Q: 1]Show that the curve y=|x| has NO tangent line at x=0. 2]Show that lim x->o X^2cos(1/x^2)=0. ... A: Billy, Your Questions: 1]Show that the curve y=|x| has NO tangent line at x=0. If it had one, ... | |
| Using theorems to find roots of functions | 2/3/2006 |
| Q: Since you'd helped me immensely before with a problem, I thought I'd pester you again about this ... A: Kayla, >> Thank you for the kind comments. YourHello! Since you'd helped me immensely before with ... | |
| Calculus trouble. | 2/2/2006 |
| Q: So to put it as a +/- answer, I would have to write it as: - arcsin(x/3) or would it be the entire ... A: Ben, YourSo to put it as a +/- answer, I would have to write it as: - arcsin(x/3) or would it be ... | |
| Calculus trouble. | 2/2/2006 |
| Q: I have been stumped on this problem and finally have given up. Would you care to help me? It is: ... A: Ben, YourI have been stumped on this problem and finally have given up. Would you care to help ... | |
| Definition of the Derivative | 1/27/2006 |
| Q: In the definition of the derivative as the limit of the difference quotient we say that the limit, ... A: Viktor, [THERE WAS SOMETHING WRONG AT THE ALLEXPERTS SITE, SO THERE WAS SOME DELAY IN SENDING ... | |
| Calculus (Finding an equation of a tangent line) | 1/25/2006 |
| Q: I am having trouble finding an equation of the tangent line to the graph of y = e^-2x at the point ... A: Steven, YourI am having trouble finding an equation of the tangent line to the graph of y = e^-2x ... | |
| Infinite series | 1/24/2006 |
| Q: I've decided to tackle a "method of image" problem in electrostatics involving two conducting ... A: Trent, I'm sorry but this doesn't seem familiar. Actually your second set of definitions: L(0) = L ... | |
| calculus | 1/23/2006 |
| Q: 1. a) Graph each of the following functions using BOUNCE AND BEND. b) Analyze each of the ... A: Khurram, A further suggestion, that might take care of things for you. When you have a polynomial ... | |
| Differentiation | 1/23/2006 |
| Q: Wondering if you can help me with a review problem that I'm having trouble with? It is in regard to ... A: Carson, YourCompute the derivative of the given function and find the slope of the line that is ... | |
| motion in a straight line | 1/23/2006 |
| Q: Klarriech, Recently I have been requested to teach calculus and its applications to older students ... A: Roy YourRecently I have been requested to teach calculus and its applications to older students . I ... | |
| integration | 1/21/2006 |
| Q: What is the volume of the solid enclosed by x=y^2 , x=-y , y=2 , and y>=0 using the shells method? ... A: Christine, YourWhat is the volume of the solid enclosed by x=y^2 , x=-y , y=2 , and y>=0 using the ... | |
| definition of a limit | 1/20/2006 |
| Q: Im still a little baffled as to which function actually holds WRONG for the wrong definition but yet ... A: Jerry, You wrote: thanks again for your thoughts. Im still a little baffled as to which function ... | |
| definition of limit | 1/19/2006 |
| Q: Paul thanks for the reply. When i look at the GIF function, i can certainly see how the general ... A: Jerry, YourPaul thanks for the reply. When i look at the GIF function, i can certainly see how the ... | |
| definition of a limit | 1/19/2006 |
| Q: Addendum : I think the question wants an example of a function where the limit DOES exist but yet ... A: Jerry I think the question wants an example of a function where the limit DOES exist but yet the ... | |
| definition of a limit | 1/18/2006 |
| Q: The formal definition of a limit is as follows: Let f(x) be defined on an open interval about x0, ... A: Jerry, You wrote: The formal definition of a limit is as follows: Let f(x) be defined on an open ... | |
| Calculus | 1/16/2006 |
| Q: Okay I'm back. How would I graph the following: y=2x-400 using the window ... A: Rebecca, Followup: the graphing program is at: ftp://members.aol.com/pklarreich/plotter/plot.exe ... | |
| Derivative Applications | 1/16/2006 |
| Q: Find absolute max. and min F(x) = x^ -2x =+3 [0,5] A: Jordan, In yourFind absolute max. and min F(x) = x^ -2x =+3 [0,5] I think you mistyped something. ... | |
| finding the average rage of change of two points | 1/14/2006 |
| Q: There are 3 questions that have 3 parts to them. The average rate of change between points given. ... A: Rebecca, Re: finding the average rage of change of two points Yes, I get pretty angry, too, when ... | |
| Limits | 1/13/2006 |
| Q: im just learning limits and i dont understand what you can do with limit questions like what steps ... A: Terry, Thank you for your nice feedback. About reading the equations: I have been on 'vacation' ... | |
| related rates | 1/9/2006 |
| Q: I hope I'm finding you in the best of health.The radius “r” of a sphere is increasing at a constant ... A: Jeff, Your problem: ------------------ The radius “r” of a sphere is increasing at a constant rate ... | |
| Proving a limit is false | 1/9/2006 |
| Q: We're studying the precise definition of limits in my calculus course. I think I understand how to ... A: Kayla, You wrote: Hello! We're studying the precise definition of limits in my calculus course. I ... | |
| Suppose that f is continuous... | 11/29/2005 |
| Q: Suppose that f is continuous on [-3,3] and differentiable on (-3,3)with f'(x)>=-5 for each x in ... A: You sent this earlier. Use these principles: The concepts here are the interpretations of the first ... | |
| calculus | 11/28/2005 |
| Q: 1. Let f(x)=1-x^2/3 Show that f(-1)=f(1) but there is no number in (-1,1)such that f'(c)=0.Why dose ... A: 1. Let f(x)=1-x^2/3 Show that f(-1)=f(1) but there is no number in (-1,1) such that f'(c)=0. Why ... | |
| Application of Differentation | 11/27/2005 |
| Q: A woman at a Point A on the shore of a circular lake with radius 2 mi wants to arrive at point C ... A: Scott, When you sent this question last November, I wrote to you: -------------------- This is an ... | |
| Disk Method | 11/25/2005 |
| Q: I have a problem that I am having a hard time solving. I need to find the volume of the solid ... A: Emily, Assuming you only need the integral of cos^2(x),there is a standard 'trick' for it. It is ... | |
| to know how you solve | 11/25/2005 |
| Q: Suppose that on a certain root, Ethiopian airlines carries 8000 passangers per month, each paying ... A: Dassalegn, YourSuppose that on a certain root, Ethiopian airlines carries 8000 passangers per ... | |
| Calculus I | 11/24/2005 |
| Q: I hope 3 questions isn't too many. Please assist with as many as you can. 1.) a.) If f(x)= ... A: Drew, 1.) a.) If f(x)= x/2[sin(ln x) + cos(ln x)] + ln(1 - cos x)^1/2 Find: f '(x) This is ... | |
| integrals | 11/24/2005 |
| Q: ( ..e^(1/(x+1) ..---------- dx ) ..(x + 1)^2 ( ..sin^2 x-cos^2 x ..--------------- dx ) ... A: Jessica, I have to know how to do integral problems like these. My test will me almost exactly like ... | |
| integrals | 11/24/2005 |
| Q: evaluate ( (x + 2 / x + 1) dx ) A: Jessica,evaluate ( (x + 2 / x + 1) dx ) ---------------------- I take it ... | |
| convergence or divergence of a series | 11/24/2005 |
| Q: Mr. Klarriech, I never received an answer to the questions below. There are two questions in the ... A: Leslie, [THIS IS WHAT I THOUGHT I SENT THE FIRST TIME. IF YOU DIDN'T GET IT, I CAN UNDERSTAND THAT ... | |
| Related Rates | 11/23/2005 |
| Q: I am having alot of trouble with related rates and optimization problems. Is there anyway you could ... A: ---------- Your----------------- Dear Mrs Klarreich: I am having alot of trouble with related rates ... | |
| 1. a. If... | 11/23/2005 |
| Q: 1. a. If f(1)=10 and f’(x) >= 2 for 1 <= x <= 4 , then how small can f(4) ... A: Dessalegn, Your question came in somewhat garbled. I have had to guess what you meant in some ... | |
| factorials and series | 11/22/2005 |
| Q: my name is leslie and I want to know how i can seperate (2x+2)! I know that if i have (x+1)! i can ... A: Of course, the word is SEPARATE. But... You can rewrite (2x+2)! in much the same way; whether it ... | |
| to know | 11/22/2005 |
| Q: 1-A company determines that it can sell 1000 units of a product per month if the price is 5 birr for ... A: Dessalegn, I must ask a couple of things from you in the future: (A) Don't send duplicate ... | |
| Calculus AP | 11/21/2005 |
| Q: 1) The graph of the eight curve, x^4=a^2(x^2-y^2), a doesn't = 0. Determine the points on the curve ... A: Diana, I know it is a bit late, but: A reader has discovered an error in my computations, and the ... | |
| related rates | 11/21/2005 |
| Q: 1) a spherical balloon is to be deflated so that its radius decreases at a constant rate of 15 ... A: Amy,1) a spherical balloon is to be deflated so that its radius decreases at a constant rate of 15 ... | |
| calculus | 11/21/2005 |
| Q: Given g(x)=4, g'(-2)=5 and g(2)=1 for some differentiable function g then a. if f(x)=g'(x*x-3x)for ... A: Given g(x)=4, g'(-2)=5 and g(2)=1 for some differentiable function g then NO, this is not logical. ... | |
| Calculus | 11/20/2005 |
| Q: again I ran into another difficult problem, can you help me? Thanx. A man 6 feet tall walks at a ... A: Oz, I think you want to start with part (C). Construct two diagrams, that are fairly similar. In ... | |
| Calculus | 11/20/2005 |
| Q: Note: In these problems there are subscripts. They are after the "a"'s (0,1,2). A) Find the ... A: Barbara, All you really have to do in these examples is compute and equate the derivatives of the ... | |
| AP Calculus | 11/20/2005 |
| Q: can you please help me? Thank you. An astronaut standing on the moon throws a rock into the air. ... A: Ellesse, An astronaut standing on the moon throws a rock into the air. The height of the rock is s ... | |
| Calculus AB | 11/19/2005 |
| Q: a) Find an equation of the tangent line to the parabola y=x^2 at the point (2,4). b) Find an ... A: Alex, I hope you are enjoying your AP calculus class. I must say, however, that the last part is ... | |
| Calculus | 11/19/2005 |
| Q: Find a third degree polynomial p(X) that is tangent to the line y=14x-13 at the point (1,1), and ... A: Oz, (I shall attempt to refrain from remarks concerning the wizardry needed to solve this ... | |
| related rates | 11/17/2005 |
| Q: 1) a girl flies a kite at a height of 300 ft, the wind carrying the kite horizontally away from her ... A: Amy, If these are your first related-rates problems, here is the general scheme: 1. there will be ... | |
| l'hopital's rule | 11/16/2005 |
| Q: use l'hopital's rule to find the limits. 1) lim x-->0 (sin x)^(tan x) 2) lim x-->infinity ... A: Amy, You're really moving fast. Last I heard from you, it was basic calculus, like chain rule, ... | |
| Derivative problem | 10/30/2005 |
| Q: i'm doing an online calculus course and am stuck on a problem relating to derivatives. Can you ... A: Stephen, If y = (2x^7 - x^2)[(x-1)/(x+1)] then this is nothing more than a fairly messy quotient ... | |
| Sequence | 10/30/2005 |
| Q: I'm Ramy... Please will you help me in understanding the def. of the limits involving Infinity as ... A: Ramy, WAIT A MINUTE -- are you THE Ramy who used to work at BCC? (If you aren't, then never mind.) ... | |
| derivatibes involving general exponentials | 10/29/2005 |
| Q: find the derivative of y with respect to the given independent variable. 1) ... A: Amy, Rules: log(base a) x = ln(x)/ln(a) So log7(...) = ln(...)/ln 7 Also since a = exp(ln a) ... | |
| help with this problem | 10/29/2005 |
| Q: find the equations of the two tangent lines that are tangent to both lines y=x^2 and y= -x^2+6x-5. ... A: Matt, Find the equations of the two lines that are tangent to both graphs (A) y = f(x) = x^2 and ... | |
| Calculus | 10/28/2005 |
| Q: I need to expand p=(x-2)(x-3)(x-2+1) using zeroes and their multiplicities... ... A: Meegin, The Fundamental Theorem just says that any polynomial of degree 'n' with real coefficients ... | |
| vertical tangent lines | 10/27/2005 |
| Q: For what value of x does the function 5x^2+2xy+y^2=16 have a vertical tangent line? a. x=2 only b. ... A: Jeff, (SORRY THE TEXT GOT MESSED UP BEFORE.) In yourFor what value of x does the function (you mean ... | |
| numerical values of derivatives-chain rule? | 10/26/2005 |
| Q: find the value of (f * g)' at the given value of x. 1) f(u)=u^5+1, u=g(x)=sqrt(x), x=1 2) ... A: Amy, Like other chain rule examples, you write that: dy dy du -- = -- -- dx du du After ... | |
| implicit functions | 10/24/2005 |
| Q: use implicit differentiation to find dy/dx and then d^2y/dx^2 1) 2sqrt(y)=x-y 2) if x^3+y^3=16, ... A: Amy, Differentiating implicit functions is actually fairly easy, although sometimes we don't like ... | |
| Sequence | 10/24/2005 |
| Q: I'm Ramy... Please will you help me in understanding the def. of the limits involving Infinity as ... A: Ramy, In your definition: For Every e>0, there exists M > 0: If N > M then absolute F(x)-L < e ... | |
| trigonometry units | 10/21/2005 |
| Q: . . i am a second year ap calc teacher and the other day my class and i were solving a related rates ... A: Matthew, I wasn't aware there was such a thing as second year AP calculus. OH -- you mean it's ... | |
| derivatives | 10/20/2005 |
| Q: find dy/dt. 1) y=(1 + cot(t/2))^-2 2) y= (1 + tan^4 (t/12))^3 A: Amy, By now you should see how to set these up as extended chain rule examples. 1) y= (1 + ... | |
| derivatives | 10/20/2005 |
| Q: find the derivatives. 1) y=x^2sin^4x + xcos^-2x 2) y=(1/21)(3x-2)^7 + (4 - (1/2x^2))^-1 A: Amy, Things are getting messy about now, aren't they? These examples are nothing more than some ... | |
| derivatives | 10/20/2005 |
| Q: find the derivatives. 1) q=sqrt(2r-r^2) 2) r=(csc x + cot x)^-1 A: Amy, These are Chain Rule examples. (You should be up to that by the 7th week of Calc I.) Use the ... | |
| derivatives | 10/15/2005 |
| Q: find the derivatives of the functions 1) r= 2((1/sqrt(theta)) + sqrt(theta)) 2) ... A: Amy, Tough weekend, right? I think that after the first two 'messages' I will just outline these ... | |
| derivatives | 10/15/2005 |
| Q: find the first and second derivatives 1) w=3z^-3 - 1/z 2) r= 12/theta - 4/theta^3 + 1/theta^4 A: Amy, These are just power law examples. Write each using powers of 'x', possibly with negative ... | |
| u-substitution | 10/12/2005 |
| Q: Your was exactly what I wanted last time.Thanks.Now, I have a question on integrals that I'm hoping ... A: Jeff, Thank you for the kind comments. After that one, this should be a cinch. You have a ... | |
| funtions ---math | 10/12/2005 |
| Q: . i just have some questions regarding functions. i have this problems but i'm not sure if tyhey are ... A: Andrea, You can think of functions in several ways == a black box, a computer program, etc. But ... | |
| Integrating a function | 10/11/2005 |
| Q: How do you integrate the following function: 1/( sqrt(1+2x)+3 ) It is hard to do ... A: Jon, Try this scheme. (If you get stuck after this, let me know and I'll send some more stuff.) To ... | |
| distaste for math | 10/8/2005 |
| Q: I'm a college student studying biology. In the abstract I think math is a great thing and would like ... A: Lee, I'm sorry you seem to be having trouble with enjoying math. Of course, part of the enjoyment ... | |
| difficult algebra | 10/7/2005 |
| Q: I hope I'm finding you in the best of health. Find the values of c that satisfy Rolle's Theorem for ... A: Jeff, You wrote: Hi! I hope I'm finding you in the best of health. ==== I thank you for your ... | |
| finding the value of a limit | 10/7/2005 |
| Q: cos(Pi/2 +h)- cos(Pi/2) lim __________________________ h->0 h ... A: Stephen, (Oops, you are Mr. Bubbles. Anyway, this the answer I sent him.) One of the difficulties ... | |
| Antiderivatives | 10/7/2005 |
| Q: Could you please explain what an antiderivative of a derivative is? Thanks. A: Kim, The antiderivative is (almost) the opposite of differentiation. Given a function f(x), if you ... | |
| tangent lines | 10/5/2005 |
| Q: find the slope of the function's graph at the given point. then find the equation for the tangent to ... A: Amy, Here is what you do, in general, to find the equation of the tangent line to y = f(x) at a ... | |
| limits | 10/5/2005 |
| Q: find the limit of the following problem: (here is a pic of it: ... A: Stephen, One of the difficulties I always face around this time of the year (early October) is that ... | |
| calculus | 10/3/2005 |
| Q: if possible. can u | |