scottalexandra scottalexandra 17-09-2018 Mathematics contestada 9. Which relation represents a function? A. {(−1, 3), (0, −1), (1, 3), (2, 5)} B. {(1, −1), (−1, 0), (1, 1), (3, 2)} C. {(5, −1), (3, −1), (4, 1), (5, 2)} D. {(−4, 2), (1, −2), (0, 0), (1, 1)}