#### Answer

$\text{B}$

#### Work Step by Step

The complement of $A$ (which is $A’$) will include all the elements in the universal set $U$ that are NOT in $A$.
Therefore,
$A’ = \left\{5, 6, 7, 8\right\}$.
Hence, the answer is Option B.

Published by
Prentice Hall

ISBN 10:
0133186024

ISBN 13:
978-0-13318-602-4

$\text{B}$

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