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: 77

Answer

true

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 $\left\{1, 2, 4\right\}$ Thus, the given statement is true.
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