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 - Page 324: 16



Work Step by Step

RECALL: $g(a)$ represents the value of the function $g$ when $x=a$. Thus, $g(2)$ represents the value of the function $g$ when $x=2$. Substitute $2$ to $x$ in the function $g$ to obtain: $g(2) = 2(2)^3-2^2+4(2)-1 \\g(2)=2(8)-4+8-1 \\g(2)=16-4+8-1 \\g(2)=12+8-1 \\g(2)=20-1 \\g(2)=19$
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