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: 13


$(A\cup B)\cap C=\{1,3,4,6\}$

Work Step by Step

In Exercise 9, we found: $A\cup B=\{1,2,3,4,5,6,7,8,9\}$. $(A\cup B)\cap C$ is the set of elements that are common to $(A\cup B)$ and $C$. Thus, $(A\cup B)\cap C=\{1,3,4,6\}=C$
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