Exercise 3.3 (PCTB)

1. State the domain and range of each relation. For \(A = \{1, 2, 3, 4\}\), find \(A \times A\) first, then solve other parts. Find \(A \times A\) \[A \times A = \{(1, 1), (1, 2), (1, 3), (1, 4), (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3),…