# Chapter 3 - Solving Inequalities - 3-8 Unions and Intersections of Sets - Practice and Problem-Solving Exercises - Page 218: 14

$B\cup D$={1,2,3,4,5,6,7,8,9}

#### Work Step by Step

B={2,4,6,8} D={1,3,5,7,9} $B\cup D$ contains all elements in either B or D. $B\cup D$={1,2,3,4,5,6,7,8,9}

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