Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.7 Inequalities - 1.7 Exercises: 9

Answer

Option $E$

Work Step by Step

The graph has two parts so it involves a union of two intervals. The left part of the graph has an upper limit of $-3$ so its interval equivalent is $(-\infty, -3)$. The right part of the graph has a lower limit of $3$, so its interval equivalent is $(3, +\infty)$. Therefore, the interval is: $\color{blue}{(-\infty, -3) \cup (3, +\infty)}$
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