Answer
See below.
Work Step by Step
The error is that $-2x^3-5=-(2x^3+5)\ne-(2x^3-5)$.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.3 - Analyzing Graphs of Functions - 2.3 Exercises - Page 196: 87
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