Question 2 (1 point)
Determine which relation is a function.
{(-5, 1), (-5, 0), (-2, 1), (-1, 4), (6, 2)}
{(-5, 1), (-2, 0), (-2, 2), (3, 4), (6, 2)}
{(-5, 1), (-2, 0), (-1, 1), (2, 4), (6,3)}
{(-5, 3), (-2, 0), (-1, 2), (6, 4), (6,3)}