use the diagram to find the domain and range of f. the domain is { }. (use a comma to separate answers as…

use the diagram to find the domain and range of f. the domain is { }. (use a comma to separate answers as needed.)
Answer
Explanation:
Step1: Recall domain definition
The domain of a function is the set of all input values.
Step2: Identify input values from diagram
The values in the left - hand oval are the input values. They are 23, 9, 1.
Answer:
23, 9, 1