Answer
$f(-3)+g(-3)=2$
Work Step by Step
First, find $f(-3)$ and $g(-3)$.
$f(-3)=(-3)^{2}+4\times(-3)=9-12=-3$
$g(-3)=2-(-3)=2+3=5$
Then, add them.
$f(-3)+g(-3)=-3+5=2$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Section 2.3 - The Algebra of Functions - Exercise Set - Page 133: 34
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