<PRE><B>Question 327057</B>
Take a look at the table below and compute an equation for f(x). 

X:: -3 -2 1   2  3
f(X) 0  3 12 18 21
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A scatter-plot indicates it is almost linear with r = 0.9945
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I ran a Linear Regression on the data and got the following:
y = 3.51x+10.1
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Cheers,
Stan H.
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