Answer
$(A\cup B)\cap C=\{1,3,4,6\}$
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,
$(A\cup B)\cap C=\{1,3,4,6\}=C$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
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
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