Question 829705
Question:
Let U = {5, 6, 7, 8, 9, 10, 11}, A = {5, 6, 7, 8}, B = {5, 6, 9, 10}, and C = {7, 9, 11}. List all the members of the given set. 
(A ∪ B) ∩ C 
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Answer:
A ∪ B = {5, 6, 7, 8, 9, 10}
(A ∪ B) ∩ C = {7, 9}