Identifying Functions

Front

What is the definition of a function?

Back

Every input has only one output.

Tags

CCSS.8.F.A.1

Front

Is this a function or not a function?

Back

Function.

Tags

CCSS.8.F.A.1

Front

Is this graph a function or not a function?

Back

Function.

Front

Does this mapping diagram represent a function?

Back

Yes, because each input goes to one and only one output.

Tags

CCSS.8.F.A.1

Front

Is this graph a function or not a function?

Back

Function.

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

A method to determine if a graph represents a function; if a vertical line crosses the graph more than once, it is not a function.

Front

What are inputs and outputs in a function?

Back

Inputs are the values you put into a function, and outputs are the values you get out.

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, but each input must have only one output.

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

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