Class Activity: Set operations

This is a graded class activity and is supposed to be completed in 15 minutes.

Let us assume that we have the following sets:

U = {All the uppercase English letters}

A = {C,O,M,P,U,T,E,R}

B = {M,A,T,H}

Perform the following operations:

a) $A\cup B$

b) $A-B$

c) $B-A$

d) $A\cap B$