Domain and Range

Front

What is the domain of a function?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Front

How is domain represented in interval notation?

Back

Domain is represented using parentheses ( ) for open intervals and square brackets [ ] for closed intervals.

Front

How is range represented in interval notation?

Back

Range is represented using parentheses ( ) for open intervals and square brackets [ ] for closed intervals.

Front

What does it mean if a domain is (-∞, ∞)?

Back

It means that the function is defined for all real numbers.

Front

What does it mean if a range is [-4, 5)?

Back

It means that the output values include -4 and go up to, but do not include, 5.

Front

What is the significance of parentheses in interval notation?

Back

Parentheses indicate that the endpoint is not included in the interval.

Front

What is the significance of square brackets in interval notation?

Back

Square brackets indicate that the endpoint is included in the interval.

Front

How do you find the domain of a graph?

Back

The domain can be found by identifying the x-values that the graph covers.

Front

How do you find the range of a graph?

Back

The range can be found by identifying the y-values that the graph covers.