Question: Let A = {2, 3, 4, 8, 9}. Graph these mathematical relations, each of which are subsets of A X A: (a) {(2,9), (4,9), (8,9),

Let A = {2, 3, 4, 8, 9}. Graph these mathematical relations, each of which are subsets of A X A:

(a) {(2,9), (4,9), (8,9), (9,9)}

(b) {(2,3), (2,4), (2,8), (2, 9)}

(c) {(2,4), (3,9)}

(d) { (2, 3), (3, 4), (4, 8), (8, 9)}

(e) {(3, 2), (4,3), (8,4), (9,8)}

(f) Which of these relations are functions?

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