M8: Function or Not Function (Mapping Diagram and Table)

Front

What are all of the x values or inputs called?

Back

Domain

Front

Is this table a function? How can you tell? (Example: x: 2, 5, 5; y: 10, 12, 10)

Back

No it's not a function because the x value 5 has y values of 10 & 12.

Front

Which set of values is a function? (A) (9,5) (10,5) (9,-5) (10,-5) (B) (3,4) (4,-3) (7,4) (3,8) (C) (6,-5) (7,-3) (8,-1) (9,1) (D) (2,-2) (5,9) (5,-7) (1,4)

Back

(6,-5) (7,-3) (8,-1) (9,1)

Front

In order to be a function, what must be true?

Back

Each x value has only one y value.

Front

Which of these tables represent a function? (A, B, C, D)

Back

A

Front

What is the definition of a function?

Back

A relation where each input (x) has exactly one output (y).

Front

What is the range in a function?

Back

The set of all possible output values (y values).

Front

What is a mapping diagram?

Back

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

Front

If a function has an input of 3 and outputs of 5 and 7, is it a function?

Back

No, because the input 3 has two different outputs.

Front

What does it mean if a relation is not a function?

Back

It means at least one input is associated with more than one output.