Question

1. Determine which relation is a function.
(Points : 1)
{(–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

in order to a function x values shouldn't repeat
remember in order pair first value is x ( x ,y)
so just look at the x values if they are repeating then relation is not a function

Answer 2

did you understand ?