Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Test - Page 114: 18

Answer

$\text{the interval } \left( 3,7 \right) $

Work Step by Step

Since for any nonnegative number $c$, $|x|\lt c$ implies $-c \lt x \lt c$, then the solution of the given inequality, $ |x-5|-4\lt-2 ,$ is \begin{array}{l}\require{cancel} |x-5|\lt-2+4 \\\\ |x-5|\lt2 \\\\ -2\lt x-5\lt2 \\\\ -2+5\lt x-5+5\lt2+5 \\\\ 3\lt x\lt7 .\end{array} In interval notation, the solution is $ \text{the interval } \left( 3,7 \right) .$
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