Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 82: 17



Work Step by Step

RECALL: (1) $\cap$ represents intersection of sets, which is the set that contains the elements that are common to the sets involved. (2) $\emptyset$ represents the empty set, which has no elements. Since $\emptyset$ is empty, then the two set have no common elements. Thus, $\color{blue}{D \cap \emptyset = \emptyset}$
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