Look at these sets of ordered pairs. W) { (8, 9), (2, 3), (0, - 2), (10, - 9) } X) { (0, 0), (5, 10), (-3, 3) } Y) { (1, 1), (2, 2), (3, 3), (4, 4) } Z) { (-10, 1), (-9, 3), (-4, 5) } Which of the sets represent functions? A. W, X B. X, Y, Z C.
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