Which of the tables represents a function? Table A
Input Output
4 3
3 2
3 1
Table B
Input Output
1 3
3 5
5 7
Table C
Input Output
0 0
1 4
1 5
Table D
Input Output
4 1
4 2
4 3

Table A
Table B
Table C
Table D
Question 5(Multiple Choice Worth 4 points)
(04.01)

The graph represents function 1, and the equation represents function 2:

A coordinate plane graph is shown. A horizontal line is graphed passing through the y-axis at y = 4.

Function 2
y = 8x + 12

How much more is the rate of change of function 2 than the rate of change of function 1?

3
4
5
8
Question 6 (Essay Worth 5 points)
(04.02)

Graham is folding a piece of paper to make an origami figure. Each time he folds the paper, the thickness of the paper is doubled. The paper starts out flat, with a thickness of 3 millimeters.
A. Write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. Explain how you came up with your ordered pairs.
B. Is this relation a function? Explain why or why not using the ordered pairs you came up with in Part A.

Question 7 (Essay Worth 5 points)
(04.02)

Jacob sells homemade skateboard decks for a profit of $27 per deck. He is considering switching to a new type of material that will increase his profit, as expressed by the function y = 32x, where x is the number sold and y is the amount of profit.

How many more dollars will Jacob earn on each skateboard deck if he switches to the new material? Explain how you found your answer.