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 7: 10



Work Step by Step

The union of two sets contains all the elements that are in set A, set B or both sets. Here: {$16;18;21;50$} $\cup$ {$15;16;17;18$}={$15;16;17;18;21;50$}
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