MAT 154 | Chapter 4 Homework

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

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Example:

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

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

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

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

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

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

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