Question

Determine which relation is a function.

A.
{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}

B.
{(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}

C.
{(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}

D.
{(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

Answer 1

if the x value is repeted i the list and has a differnt y value it is not a funtion

Answer 2

so what one do you think it is

Answer 3

A?

Answer 4

yes

Answer 5

thanks :)