## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 1, Equations and Inequalities - 1.7 Solve Absolute Value Equations and Inequalities - 1.7 Exercises - Skill Practice - Page 56: 47

#### Answer

$d\geq-1$ or $d\leq-7$

#### Work Step by Step

$|d+4|\geq3$ implies $d+4\geq3\\d\geq-1$ or $d+4\leq-3\\d\leq-7$. Thus $d\geq-1$ or $d\leq-7$. Then, by using a graphing utility, the solution set is attached.

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