Expert: Richard J. Raridon - 3/6/2006

Question
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Followup To
Question -
Hi, I'm having problems with graphs but I dont know how to post questions on this seeing that you cannot graph the answers. Do you have any suggestions? Thank you for your help.
Answer -
Tell me what you're trying to graph and I'll try to help you.  Do you have an equation?
Ok Here they are:
Graph the parabola:y=(x+1)^2+3
Graph:f(x)=-3x+6
Graph:y=log base2(x+1)
Graph the funtion:f(x)=3^x
I cant afford a graphing calculator and I tryed to do it on a website but I just cant figure out how to do it. Thanks for your help!  

Answer
Before the days of graphing calculators we had to do things by hand.  You can still do it.  Simply put in values for x, calculate f(x) or y and plot the points.  For your parabola, for example, a few points are
(0,5), (1,7), (-1,3), (2,12), (-2,5), etc.  
f(x) = -3x+6 is a straight line so you only need two points to draw it.