Saturday
May 23, 2015

Homework Help: Pre calculus

Posted by Amy on Thursday, October 14, 2010 at 6:38pm.

use f(x)= { x^2 +5 if x ≤ 1
{ -x^2+4x+3 if x>1
to find the answers to the following:
1. f(2)
2. f(4)-f(-2)

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