Question

A. a relation only

Answer 1

Answer: B. Both a relation and a function

Step-by-step explanation:

By definition, a relation is a function if and only if each input value has one and only one output value.

For example if an input value $x$ has assigned two or more output values $y_1$ and $y_2$, then the relation is not a function.

You can observe in the image attached that each element in the Domain has assigned one element in the Range. Therefore, you can conclude that it is a relation and a function.

Answer 2

Answer:

Neither a relation or a function