# mat 154 chapter 4 homework

14 Questions. Due by midnight. I’ll post an example question below.

Website: https://moer.maricopa.edu

Example:

Let S = {1,2,3,…,18,19,20} be the universal set.

Let sets A and B be subsets of S, where:

Set A={9,10,11,13,15,16,20}
$A=\left\{9,10,11,13,15,16,20\right\}$

Set B={2,4,5,6,7,8,10,12,13,14,15,16,18}
$B=\left\{2,4,5,6,7,8,10,12,13,14,15,16,18\right\}$

LIST the elements in the set AB
$A\cup B$
:
AB
$A\cup B$
= { }

LIST the elements in the set AB
$A\cap B$
:
AB
$A\cap B$
= { }

Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE

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