Answer
$-20$
Work Step by Step
Evaluate each function for $x=-1$:
$f(-1)=-2(-1)+3=2+3=5$
$g(-1)=(-1)^2-5=1-5=-4$
Thus,
$f(-1) \cdot g(-1) = 5(-4)=-20$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 7 - Functions and Graphs - 7.4 The Algebra of Functions - 7.4 Exercise Set - Page 476: 12
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