Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Mid-Chapter Check Point - Page 135: 20



Work Step by Step

$(fg)(-1)=f(-1)g(-1)$ $f(-1)=(-1)^2-3(-1)+8=1+3+8=12$ $g(-1)=-2(-1)-5=2-5=-3$ $(fg)(-1)=f(-1)g(-1)=12(-3)=-36$
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