hello5319 hello5319 10-11-2020 Mathematics contestada Which of the sets of ordered pairs represents a function? (1 point) A = {(2,7), (1,-5), (7, 2), (2, -9)} B = {(5,3), (-2,-9), (-3, 8), (9,3)} a. Only A b. Only B C. Both A and B d. Neither A nor B