Question

1. Select the letter of the best answer.

Determine which relation is a function.

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

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

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

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

Answer 1

The last one is the function