Which ordered pair represents y as a function of x? A. {(−2, 0), (−1, 0), (−1, 1), (0, 2)} A. {(−2, 0), (−1, 0), (−1, 1), (0, 2)} B. {(0, 1), (1, 3), (2, 5), (3, 7)} B. {(0, 1), (1, 3), (2, 5), (3, 7)} C. {(−1, 4), (−1, 6), (0, 4), (1, 8)} C. {(−1, 4), (−1, 6), (0, 4), (1, 8)} D. {(9, 5), (9, −5), (11, 7), (11, −7)} D. {(9, 5), (9, −5), (11, 7), (11, −7)}