Domain and Range and Functions

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output value for each input value.

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

Is the set of all integers a discrete or continuous set?

Back

Discrete.

Tags

CCSS.8.F.A.3

Front

Is the set of all real numbers a discrete or continuous set?

Back

Continuous.

Front

What does it mean for a function to be one-to-one?

Back

A function is one-to-one if no two different input values produce the same output value.

Front

What is a mapping diagram?

Back

A mapping diagram visually represents the relationship between input values and output values of a function.

Front

What is an example of continuous data?

Back

Height of students, temperature, or daily rainfall.

Front

What is an example of discrete data?

Back

Number of students in a classroom, number of cars in a parking lot.

Front

How can you determine if a relation is a function using the vertical line test?

Back

If a vertical line intersects the graph of the relation at more than one point, it is not a function.

Tags

CCSS.8.F.A.1