Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.1 Sets - R.1 Exercises - Page 8: 76



Work Step by Step

RECALL: The union of sets A and B is the set that contains the combined elements of A and B. Note that when the elements of the two sets are combined, the resulting set is $\left\{3, 5, 9, 10\right\}$ Thus, the given statement is true.
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