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If A = {1, 2, 3, 4, 7} and B = {4, 11}, determine the following: (3.points each) a) A x B; b) the number of relations from A to B; c) the number of relations on A; d) the number of relations from A to B that contain (2, 4) and (2, 11); e) the number of relations from A to B that contain exactly four ordered pairs;2. Let A, B be sets with A = 5. If there are 32,768 relations from A to B, what is B |?\f