Question

Functions can be defined using graphs, tables, and ordered pairs. What is the domain of a function?

The domain is any y-value.
The domain is all numbers.
The domain is the input.
The domain is the output.

Answer 1

The domain is the input.

Explanation:

The domain is the input, the independent value—it's what goes into a function. The range or y-value is the output and the dependent value is the outcome.