Domain and Range of Functions

Front

What is the definition of a function?

Back

A function is a relation where every input has only ONE output.

Tags

CCSS.8.F.A.1

Front

What is the range of the ordered pairs (1,3), (2,4), (3,4)?

Back

The range is {3, 4}.

Front

What is the range of the table with outputs -4, 0, 1, 3?

Back

The range is {-4, 0, 1, 3}.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What do we call all of the y values or outputs in a function?

Back

Range.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Is the following table a function? (0,0), (2,-4), (3,3), (2,1)

Back

NO, because the input 2 has two different outputs.

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).

Front

If a function has the ordered pairs (1,2), (2,3), (3,4), what is its range?

Back

The range is {2, 3, 4}.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.

Tags

CCSS.8.F.A.1

Front

What is the difference between domain and range?

Back

Domain refers to input values, while range refers to output values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is an example of a function?

Back

An example of a function is f(x) = x + 1.

Tags

CCSS.8.F.A.1