Answer
$x^2-2$
Work Step by Step
We are given
$f(x)=x^2-4$ and $g(x)=x+2$
Thus, we have the composite function
$(g\circ f)(x)=(x^2-4)+2=x^2-2$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 9 - Cumulative Review Exercises - Page 1038: 16
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