Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter R - Elementary Algebra Review - R.2 Equations, Inequalities, and Problem Solving - R.2 Exercise Set - Page 947: 42

Answer

$\text{Set Builder Notation: } \{ x|x\ge-17 \} \\\text{Interval Notation: } [-17,\infty)$
1517147086

Work Step by Step

Using the properties of inequality, then \begin{array}{l}\require{cancel} x+9\ge-8 \\\\ x\ge-8-9 \\\\ x\ge-17 .\end{array} Hence, the solution set is \begin{array}{l}\require{cancel} \text{Set Builder Notation: } \{ x|x\ge-17 \} \\\text{Interval Notation: } [-17,\infty) .\end{array} In the graph, a hollowed dot is used for $\lt$ or $\gt.$ A solid dot is used for $\le$ or $\ge.$
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