Answer
$(-\infty,-2] \cup [1, \infty)$
Work Step by Step
From the given inequality $|2x+1| \geq 3$ ,we can conclude that our result is:
Hence, $(-\infty,-2] \cup [1, \infty)$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 4 - Section 4.3 - Equations and Inequalities Involving Absolute Value - Exercise Set - Page 284: 90
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