# Descrete MAthematics cis201

#1) Create a set representing a real life group of “things”. Then represents two subgroups as subsets. Find the union, intersection and complement of these two sets.

For example: Let S = the set of all AAU students. Let A = the set of all AAU students who took Finite Mathematics. Let B = the set of all AAU students who will graduate in February. Then:
A  U  B= the set of all AAU students who took Finite Mathematics OR will graduate in February.
(A n B)   = the set of all AAU students who took Finite Mathematics AND will graduate in February.
A’  = the set of all AAU students who did not take Finite Mathematics
B’ = the set of all AAU students who will not graduate in February.

#2) A student is studying divisibility of integers from the set V  =  {2,3,4,6,8,9,12,18,27} and is interested in those pairs of distinct integers for which one of the integers divides the other. Model this situation by a graph.

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