Precalculus (6th Edition)

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

Chapter 1 - Equations and Inequalities - 1.8 Absolute Value Equations and Inequalities - 1.8 Exercises: 7

Answer

$C$

Work Step by Step

RECALL: $|x| \le a \longrightarrow -a \le x \le a$ Using the rule above gives: $|x| \le 7 \longrightarrow -7 \le \le 7$ Thus, the solutions to the given inequality are the numbers from $-7$ to $7$. The graph that represents these numbers is the one in Option $C$.
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