Identifying Functions from Mapping Diagrams and Tables

Front

Does this represent a function? (Example: x: 1, 2, 3; y: 2, 2, 4)

Back

No

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

Does this represent a function? (Example: x: 1, 2, 3; y: 2, 3, 4)

Back

Yes

Front

Does this represent a function? (Example: x: 1, 1, 2; y: 2, 3, 4)

Back

Yes

Front

Does this represent a function? (Example: x: 1, 2, 2; y: 2, 3, 4)

Back

No

Front

What is a mapping diagram?

Back

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

Front

What is the vertical line test?

Back

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

Front

What are inputs in a function?

Back

The values that are fed into a function, usually represented as x.

Front

What are outputs in a function?

Back

The results produced by a function, usually represented as y.

Front

Can a function have the same output for different inputs?

Back

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