Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 6 - Review - Page 404: 60



Work Step by Step

Substituting $x$ with $ -5 $ in the given polynomial equation, $P(x)=3x^5-9x+7,$ then, \begin{array}{l}\require{cancel} P(-5)=3(-5)^5-9(-5)+7 \\\\ P(-5)=3(-3,125)-9(-5)+7 \\\\ P(-5)=-9375+45+7 \\\\ P(-5)=-9,323 .\end{array}
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