Question

determine whether the relation is a function. give the domain and the range for the relation.
{(1,1),(5,2),(7,7)}
...
is this a function?
no
yes
the domain is {
(use a comma to separate answers as needed.)

Explanation:

Step1: Recall domain definition

The domain of a relation (set of ordered pairs) is the set of all first elements (x - values) of the ordered pairs.

Step2: Identify first elements

For the relation \(\{(1,1),(5,2),(7,7)\}\), the first elements of the ordered pairs are \(1\), \(5\), and \(7\).

Answer:

\(1, 5, 7\)