College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 17: 22



Work Step by Step

A ∩ B is the set of elements common to both set A and set B. Only 3 is in both sets {1,3,7} and {2,3,8}. So, {1,3,7} ∩ {2,3,8} = {3}
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