Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-8 Unions and Intersections of Sets - Practice and Problem-Solving Exercises - Page 218: 18


$A\cap D$={1,3}

Work Step by Step

A={1,3,4} D={1,3,5,7,9} $A\cap D$ contains all elements that are in both A and D. If an element is only in A or only in D, it is not in the intersection of A and D.
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