Question

Determine which relation is a function.

Answer 1

Answer:

the second one

Step-by-step explanation:

Answer 2

To determine if it is a function or not, you can not have a vertical line drawn down the graph touch 2 of the graphed points. That means that you can not have 2 points with the same x value and different Y value. The first set of points satisfies this and is your answer. Hope that helps.