Answer:
Domain = {2, 8}
Range = {21, 25, 30}
The relation is not a function
Explanation:
The domain of a function/relation is a set of all the valid inputs of the function/relationship.
The range of a function/relation is a set of all the valid outputs of the function/relation
Domain = {2, 8}
Range = {21, 25, 30}
By carefully observing the relation, a member of the domain(2) is matched to more than one member of the range(21, 25). This is a one-to-many relation
Therefore, the relation is not a function
