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: 15

Answer

$56$

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: $g(3) = 2(3)^3-3^2+4(3)-1 \\g(3)=2(27)-9+12-1 \\g(3)=54-9+12-1 \\g(3)=45+12-1 \\g(3)=57-1 \\g(3)=56$
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