Respuesta :

Answer:

C

Step-by-step explanation:

Use the vertical line test with your pencil.   Move you pencil across the graph and if two points are under your pencil then it is not a function.

imaboredpandagirl

Answer:

C

Step-by-step explanation:

It isn't a function because the x-values repeat at points (2, 11) and (2, 2)