Intermediate Algebra for College Students (7th Edition)

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: 79

Answer

$[-\dfrac{7}{3},1]$

Work Step by Step

Given: $|-1+3(x+1)| \leq 5$ or, $-5 \leq -1+3x+3 \leq 5$ or, $-5\leq 3x+2 \leq 5$ or, $-5-2\leq 3x \leq 5-2$ or, $-7\leq 3x \leq 3$ or, $-\dfrac{7}{3}\leq x \leq 1$ Hence, $[-\dfrac{7}{3},1]$
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