Answer
$-5$
Work Step by Step
$f(-1)=3, g(-1)=-2, f(0)=-2, g(0)=4$
$(f+g)(-1)=f(-1)+g(-1)=3+(-2)=1$
$(g-f)(0)=g(0)-f(0)=4-(-2)=4+2=6$
$(f+g)(-1)-(g-f)(0)=1-6=-5$
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: 60
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