Question

Determine which relation is a function.

A.
{(–3, 2), (–1, 3), (–1, 2), (0, 4), (1, 1)}

B.
{(–3, 3), (–2, 3), (–1, 1), (0, 4), (0, 1)}

C.
{(–3, 2), (–2, 3), (–1, 1), (0, 4), (0, 1)}

D.
{(–3, 2), (–2, 3), (–1, 2), (0, 4), (1, 1)}

Answer 1

Answer: D. {(–3, 2), (–2, 3), (–1, 2), (0, 4), (1, 1)}

Answer 2

The relation that is a function is answer D. All of the x-coordinates are all different