Relations and Functions

Front

Does the graph represent a function?

Back

No, a function must have only one output for each input.

Front

Does the relation shown in the table represent a function?

Back

Yes, a function has unique outputs for each input.

Tags

CCSS.8.F.A.1

Front

Does the mapping of these points represent a function?

Back

Yes, each input has a unique output.

Tags

CCSS.8.F.A.1

Front

What is the range of the table?

Back

{-4, 0, 1, 3} is the range of the given relation.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is a function?

Back

A relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

The set of all possible inputs (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible outputs (y-values) for the function.

Front

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

Back

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

Front

What is an example of a function?

Back

f(x) = 2x + 3 is a function because each x has one corresponding y.

Tags

CCSS.8.F.A.1

Front

What is an example of a relation that is not a function?

Back

The relation {(1, 2), (1, 3)} is not a function because the input 1 has two outputs.

Tags

CCSS.8.F.A.1