Question

*GIVING MEDALS*



Which set of ordered pairs in the form of (x, y) does NOT represent a function of x?

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

Answer 1

d