Answer
Union
Work Step by Step
The union set of set A and set B contains all elements that are either in set A or set B or both.
It is written as:
$A\cup B$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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 6: 5
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