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: 14


$\color{blue}{B \cap A = \left\{4, 8\right\}}$

Work Step by Step

Given: $A=\left\{1, 3, 4, 5, 7, 8\right\}$ $B=\left\{2, 4, 6, 8\right\}$ RECALL: $B \cap A$, the intersection of sets B and A, is the set the contains the elements that are common to sets A and B. Notice that the elements common to A and B are: 4 and 8 Thus, $\color{blue}{B \cap A = \left\{4, 8\right\}}$
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