Respuesta :

AmeenAR

Answer:

This is not a function.

Step-by-step explanation:

In a function, every x value corresponds with only one y value.  In this relationship, the 6 corresponds with both 5 and 10, which is impossible in a function.  Thus, it isn't a function.

alexander75

Answer:

This mapping diagram is not a function.

Step-by-step explanation:

The coordinates are:

(3,7), (6,5), (6,10), (12,9), (18,10)

As you could see, (6,5), (6,10) have the same x attached to a y.