Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.9 - Linear Inequalities and Absolute Value Inequalities - Exercise Set - Page 138: 68

Answer

$(-\infty,-5)\cup(5,\infty)$

Work Step by Step

The solutions of $|u|\gt c $ are the numbers that satisfy $ u\lt -c $ or $ u\gt c.$ --- $|x| \gt 5\Rightarrow\left\{\begin{array}{lll} x\lt -5 & \Rightarrow & x\in(-\infty,-5) \\ or & & or\\ x \gt 5 & \Rightarrow & x\in(5,\infty) \end{array}\right.$ Solution set: $(-\infty,-5)\cup(5,\infty)$
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.