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: 68

Answer

$[1,3]$. The graph is shown below.

Work Step by Step

The given expression is $\Rightarrow \left | x-2\right |+4\leq5$ Subtract $4$ from both sides. $\Rightarrow \left | x-2\right |+4-4\leq5-4$ Simplify. $\Rightarrow \left | x-2\right |\leq1$ Rewrite the inequality without absolute value bars. $\Rightarrow-1 \leq x-2\leq1$ Solve compound inequality. Add $2$ to all three parts. $\Rightarrow-1+2 \leq x-2+2\leq1+2$ Simplify. $\Rightarrow1 \leq x\leq3$ The solution set $[1,3]$.
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