Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A10: 9


$A\cup B=\{1,2,3,4,5,6,7,8,9\}$

Work Step by Step

$A\cup B$ is the set of elements that are either in A, or in B, or in both. Hence, here we have $A\cup B=\{1,2,3,4,5,6,7,8,9\}$
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