Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 13 - Counting and Probability - Chapter Review - Review Exercises - Page 868: 1

Answer

$\{\},\{D\},\{E\},\{J\},\{D,J\},\{D,E\},\{J,E\},\{D,J,E\}$

Work Step by Step

D=Dave, J=Joanne, E=Erica. Hence the subsets: $\{\},\{D\},\{E\},\{J\},\{D,J\},\{D,E\},\{J,E\},\{D,J,E\}$
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