Thursday
July 30, 2015

Homework Help: Math

Posted by Maggie on Friday, June 13, 2008 at 10:57pm.

I can't figure our how they got the answer to this question:

Use the following function to find f(-2)? f(x)=x(squared)-3

This is how I am solving the problem:
f(x)=x(squared) -3
f(-2)=(-2)squared -3
f(-2)=4-3
f(-2)=1

The correct answer is 2 and I don;t know why.

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