Which set of ordered pairs represents a function?
O (5,4), (4, 5), (1, 2), (1, 4)
O (2, 1), (3, 1), (5, 1), (5, 4)
O (2,5), (1, 6), (0,5), (1, 10)
None of the other answers are correct
O (0,0), (1, 1), (2, 0), (3, 3)