Which set of ordered pairs represents a function?
Question 1 options:

{(5, 6), (2, 6), (-3, 4), (-1, 4)}


{(3, -2), (-4, -1), (0, 3), (0, 5)}


{(-5, 1), (-4, 2), (-5, 3), (-4, 4)}


{(0, 0), (2, 3), (1, -4), (2, -2)}