Domain and Range Homework

Front

What is the definition of 'domain' in a relation?

Back

The domain of a relation is the set of all possible input values (x-coordinates) for the relation.

Front

What is the definition of 'range' in a relation?

Back

The range of a relation is the set of all possible output values (y-coordinates) for the relation.

Front

Given the relation (2, 5), (3, 7), (4, 9), what is the domain?

Back

The domain is {2, 3, 4}.

Front

Given the relation (2, 5), (3, 7), (4, 9), what is the range?

Back

The range is {5, 7, 9}.

Front

What is an ordered pair?

Back

An ordered pair is a pair of numbers used to represent a point in a coordinate system, written as (x, y).

Front

True or False: The first number in an ordered pair represents the y-coordinate.

Back

False. The first number represents the x-coordinate.

Front

What is the x-coordinate in the ordered pair (4, 2)?

Back

The x-coordinate is 4.

Front

What is the y-coordinate in the ordered pair (4, 2)?

Back

The y-coordinate is 2.

Front

If a point is located at (0, 3), what is its domain value?

Back

The domain value is 0.

Front

If a point is located at (0, 3), what is its range value?

Back

The range value is 3.