Answer
$(g-f)(-2)=-1$
Work Step by Step
When you see graph, you can see that $g(-2)=2$ and $f(-2)=3$.
$(g-f)(-2)=g(-2)-f(-2)$
$=2-3$
$=-1$
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: 52
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