Question

Is this a realtion or a funtion? explain.
(2,15),(15,-4),(-9,17),(13,14)

Answer 1

look at the x values,

Answer 2

it is consider a function if the x-value is not repeated.

Answer 3

its a function because every element in x has one y value

Answer 4

its a one to one function basically

Answer 5

It is a function when the domain is not repeated