Intermediate Algebra (6th Edition)

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

Chapter 2 - Section 2.5 - Compound Inequalities - Vocabulary, Readiness & Video Check - Page 94: 9

Answer

or

Work Step by Step

We know that the union of two sets contains all elements that are in either set. Thus, if a given value is in set a $ or$ set b, we know that the given element is an element of the union set.
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