Intermediate Algebra for College Students (7th Edition)

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

Chapter 5 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Exercise Set: 18

Answer

$-76$

Work Step by Step

RECALL: $g(a)$ represents the value of the function $g$ when $x=a$. Thus, $g(-3)$ represents the value of the function $g$ when $x=-3$. Substitute $-3$ to $x$ in the function $g$ to obtain: $g(-3) = 2(-3)^3-(-3)^2+4(-3)-1 \\g(-3)=2(-27)-9+(-12)-1 \\g(-3)=-54-9-12-1 \\g(-3)=-63-12-1 \\g(-3)=-75-1 \\g(-3)=-76$
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