Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.1 Real Numbers, Functions, and Graphs - Exercises - Page 9: 4


$|x| \lt 4$

Work Step by Step

1. x belongs to the set of points from -4 to 4; with parenthesis indicating that the endpoints are not included. So, $-4 \lt x \lt 4$ 2. The inequality above can be rewritten using absolute value brackets so that: $|x| \lt 4$
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