Question

Which of the following statements best represents the relationship between a relation and a function.

1. A function is always a relation but a relation is not always a function.
2. A relation is always a function but a function is not always a relation.
3. A relation is never a function but a function is always a relation.

Answer 1

1. A function is always a relation but a relation is not always a function.

Explanation:

A function is a relation in which each element of the domain is mapped to one element of the range.

This means that every function is a relation, but not every relation is a function.