Select two sets of ordered pairs that do not represent a function. о (1, 1), (2, 2), (3, 3), (4, 4) о (5, 8), (3, 4), (5, 5), (9, 6) о (2, 3), (5, 4), (2, 8), (7 5) о (3, 1), (4, 2), (5, 2), (7, 10) о (-1, 3), (-3, 4), (5, -3), (6, -4)

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