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 - Page 167: 5



Work Step by Step

RECALL: $|x| \lt a \longrightarrow -a \lt x \lt a$ Using the rule above gives: $|x| \lt 7 \longrightarrow -7 \lt \lt 7$ Thus, the solutions to the given inequality are the numbers between $-7$ and $7$ (not including -7 and 7). The graph that represents these numbers is the one in Option $C$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.