Answer
See explanations.
Work Step by Step
First, $x=-4$ is in the domain of the rational function left side of the inequality, second, when $x=-4$ the left side is zero which satisfy the inequality, thus $x=-4$ must be in the solution set.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises - Page 180: 106
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