## Intermediate Algebra (6th Edition)

$B∪D = \{ 4,6,1,3,5,7,9,........\}$
$B = \{x|x$ is an odd integer $\}$ $B= \{1,3,5,7,,9,...... \}$ $D= \{ 4,5,6,7 \}$ $B∪D = \{ 4,6,1,3,5,7,9,........\}$ $B∪D = \{x|x$ is an odd integer or $x = 4$ or $x = 6\}$