Answer
$(fg)(-3)=-15$
Work Step by Step
$(fg)(x)=f(x)g(x)$
$(fg)(-3)=f(-3)g(-3)$
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, multiply them.
$(fg)(-3)=f(-3)g(-3)=-3\times5=-15$
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: 40
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
