(Answered) Let a 1 2 3 and b 3 4 and let the universal set u xx

Finance

Let A = {1, 2, 3} and B = {3, 4} and let the universal set U = {x|x ∈ Z ∧ x ≥ 0}.

1. What is the cardinality of A and cardinality of B.

2. What is the cartesian product A × B.

3. Calculate P(A)

4. Calculate A ∩ B, A ∪ B, A - B

5. Calculate A^c and write in two different ways (set of elements, and then with a set builder).

6. Calculate U - A and compare to A^c.

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