Model Functions

Does the relation represent a function?

(1, 3), (2, 5), (3, 7), (4, 9)

• Yes

• No

• Yes and No

• I don't have a clue

Does the relation represent a function?

(1, 3), (2, 3), (3, 3), (4, 3)

• Yes

• No

• Yes and No

• I don't have a clue

Does the relation represent a function?

(1, 3), (2, 5), (2, 7), (4, 9)

• Yes

• No

• Yes and No

• I don't have a clue

Does the relation represent a function?

(1, 3), (1, 5), (1, 7), (1, 9)

• Yes

• No

• Yes and No

• I don't have a clue

Is the relation shown in the arrow diagram a function? Explain.

• Yes; Each input has only one output.

• Yes; Each output has only one input.

• No; Each input has only one output.

• No; The output 32 has 2 inputs.

Is the relation shown in the table below a function? Explain.

• Yes; Each input has only one output.

• Yes; Each output has only one input.

• No; Each output is the square of the input.

• No; The input 3 has 2 outputs.

The cost to rent a paddleboard for different numbers of hours is shown. Is the cost a function of the rental time?

Explain your answer.

• Yes. Each input has a unique output

• No. Each input does not have a unique output

• No. Each input has a unique output

• Yes. Each input does not have a unique output

Does the graph represent a function?

• Function

• Not a function

• I don't have a clue

• Both a function and not a function

Does the graph represent a function?

• Function

• Not a function

• I don't have a clue

• Both a function and not a function

Does the graph represent a function?

• Function

• Not a function

• I don't have a clue

• Both a function and not a function