Answer
$P(-2)=11$
Work Step by Step
Substituting $x$ with $-2$ in given function, $
P(x)=3x^2-2x-5
,$ then
\begin{array}{l}\require{cancel}
P(-2)=3(-2)^2-2(-2)-5
\\\\
P(-2)=3(4)-2(-2)-5
\\\\
P(-2)=12+4-5
\\\\
P(-2)=11
.\end{array}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Cumulative Review - Page 472: 25b
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