Answer
The answer is $f(-1)=10$.
Work Step by Step
The given function is
$f(x)=x^3+2x^2-5x+4$
Plug $x=-1$ into the function.
$f(-1)=(-1)^3+2(-1)^2-5(-1)+4$
Simplify.
$f(-1)=-1+2+5+4$
$f(-1)=10$.
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 4 - Section 4.5 - Linear Programming - Exercise Set - Page 305: 37
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