Answer
7 elements
Work Step by Step
$P = {-2, 6, 7, 9}$
$Q = {0, 2, 4, 6}$
$PUQ = {-2, 0, 2, 4, 6, 7, 9}$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 3 - Solving Inequalities - Cumulative Test Prep - Gridded Response - Page 230: 23
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