Question

Which relation is not a function?

Answer 1

First one

Step-by-step explanation:

Answer 2

A. {(9,3),(5,16),(6,8),(9,10),(11,13),(1,7)}

Step-by-step explanation:

The first option is not a function because a single x-value cannot pair up to more than one y-value. We can see this occur in the ordered pairs below.

(9,3),(9,10)