Answer
See below.
Work Step by Step
The function is not linear because it has an $x^3$ term. At $x=-2$, the value is: $f(-2)=-2-1-(-2)^3=-3-(-8)=-3+8=5$.
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 2 Linear Equations and Functions - 2.1 Represent Relations and Functions - Guided Practice for Examples 4 and 5 - Page 75: 5
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