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 168: 56


The inequality is true for all values of $x$, the solution is $(-\infty,\infty)$

Work Step by Step

$|12-9x|\ge-12$ Since an absolute value expression is always positive, and a positive number is always greater than a negative number, all values of $x$ are a solution of this inequality.
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.