math
posted by shirley .
Graph the equation by completing the table and plotting the points. You may use Excel or another webbased graphing utility. a) y = 3x  x2 Use the values of x provided in the table to find the y values. Show your work.

I think you mean
y = 3*xx^2 
then try
http://www.algebrahelp.com/calculators/function/graphing/ 
putting
3*xx^2
in the box
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