Identifying Functions from Mapping Diagrams and Tables

Front

Does this represent a function? (Example: { (1, 2), (1, 3) })

Back

No

Tags

CCSS.8.F.A.1

Front

Does this represent a function? (Example: { (1, 2), (2, 3) })

Back

Yes

Tags

CCSS.8.F.A.1

Front

What is the definition of a function?

Back

Every input has only ONE output.

Tags

CCSS.8.F.A.1

Front

Does this represent a function? (Example: { (1, 2), (2, 2), (3, 2) })

Back

Yes

Tags

CCSS.8.F.A.1

Front

Does this represent a function? (Example: { (1, 2), (2, 2), (1, 3) })

Back

No

Tags

CCSS.8.F.A.1

Front

What is a mapping diagram?

Back

A visual representation showing how each input is paired with an output.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the vertical line test?

Back

If a vertical line crosses a graph more than once, it is not a function.

Tags

CCSS.8.F.A.1

Front

What are inputs and outputs in a function?

Back

Inputs are the x-values, and outputs are the corresponding y-values.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Can a function have the same output for different inputs? (Example: f(1) = 2, f(3) = 2)

Back

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

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

The set of all possible input values (x-values).