Identifying Functions from Mapping Diagrams and Tables

Front

Does this represent a function?

Back

Yes

Front

What is the definition of a function?

Back

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

Front

Does this represent a function?

Back

No

Front

Does this represent a function?

Back

Yes

Front

Does this represent a function?

Back

No

Front

What is a mapping diagram?

Back

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

Front

What is a table of values?

Back

A table that lists pairs of input and output values to represent a function.

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 x-values in a function?

Back

The inputs of a function, often represented as 'x'.

Front

What are y-values in a function?

Back

The outputs of a function, often represented as 'y'.