Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix D - Exercise Set - Page 995: 45


$x∈[-4;4]$ To graph the solution set, put two square brackets such that they enclose the interval $[-4;4]$.

Work Step by Step

The absolute value of x is inferior or equal to 4. Therefore, the value of x cannot be larger than 4, neither smaller than -4. The solution set contains all numbers whose distance from 0 is less than or equal to 4.
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