Answer:
C. Yes, because there is exactly one y-value for every x-value.
Step-by-step explanation:
A relation can only be a function of and only if every domain value (x-value) has exactly only one range value (y-value) related or assigned to it.
The relation given has exactly one y-value that is assigned to every x-value in the given pair of values. Therefore, the relation is a function.
