1 Which of the following points is at

1. Which of the following points is at ( -8, -4)? A J B K C L D M 10 J -10 M K 5 -5 -10 10 L

2. Which of the ordered pairs below represents point T? -10 A (-2, -5) B (5, -2) C (2, -5) D (5, 2) 10 Q 5 T -5 5 -5 -10 10

3. Which of the following points could have the coordinates (- A 10, -10)? B A A B B C C D D D C

4. Which of the following ordered pairs would be found on the x-axis? A (10. 5, 1) B (1, 17. 3) C (0, 14. 2) D (9. 8, 0)

5. Which of the following ordered pairs would be in the same quadrant as point S? A (-8, 4) -10 B (3, -6) C (2, 7. 5) D (-6. 2, -18) R 10 U S V 5 T -5 X 5 -5 -10 10 W

D Point D 75 50 D 25 C Point C C 0 B Point B Grade on Exam 100 6. If Jason studied for 5 hours and got a 75 on his test, which point could represents Jason? A B A Point A 0 5 10 15 Number of Hours Studied 20

7. ) Which of the following relations is NOT a function? A B

c D

8. )Which of the following sets of ordered pairs could be a function? A (3, -3), (4, -3), (3, -5) B (0. 5, 2), (2, 0. 5), (-2, 2) C (6, 4), (3. 75, 2), (6, 2) D (4, -12), (3, -12), (4, -10)

9. )Look at the table below. X Y -4 4 -2 7 -9 7 -2 6 Which of the following statements is true? A This is not a function because y has two 7’s with different x values. B This is not a function because x has two -2’s with different y values. C This is not a function because the values are not increasing. D This is a function.

10. Look at the graph below:

Based on the graph, which statement below is not correct? A The price of gas increased about 10 cents from week 6 to week 7. B The price of gas has always increased. C The rate of change was positive from week 11 to week 12. D The price did not change between weeks 15 and 16.

11. What is the domain of the function graphed below?

A B C D

12. Look at the graph below:

Which of the statements about this function is true? A The minimum is 6. B The maximum is 3. C The maximum is 8. D The minimum is 0.

13. Look at the graph below:

Between which 2 years did the salaries increase at the greatest rate? A 1990 to 1991 B 1992 to 1993 C 1999 to 2000 D 1997 to 1998

14. Look at the function that is graphed below:

Which of these represents the x-value of a zero of the function? A 60 B 5 C -180 D 0

15. Look at the graph below.

For which value of x is the function not continuous? A 7 B 9 C -2 D -4

Gallons of Water 10 20 Use the following graph to answer SPR 1&2. Greg is trying to waste less water, so he tracked his water usage on certain days on a graph like the one below: 0 4 8 12 Number of Days

SPR 1 On the 6 th day Greg used 14 gallons of water, what would the x-coordinate be of that point?

SPR 2 If Greg did not use any water on the 4 th day and graphed that point, what would the y coordinate be of that graphed point?

Use the following graph to answer SPR 1 & SPR 2.

SPR 3 • What is the maximum value in the range of this function?

SPR 4 • How many zeros does this function have?

BCR 1. The table below shows the value of a rare Michael Jackson CD that was purchased in 1998. ·Write the function rule that represents the relation of the value (v) of the CD to the years since purchased (t) in function notation. ·Use your function rule to determine the value (v) of the CD 8 years after its purchase f(8). Explain your answer using mathematics words, symbols or both. ·Mr. Henson would like to buy the CD in 2010 using a savings of $36, 500? Based on the predicted value in 2010, will he be able to buy the CD? Justify your answer using mathematics words, symbols, or both.

Years Since Purchase (t) 0 Value of CD (v) 1 21500 2 23000 3 24500 20000

ECR 1 The height (h) of a rocket that was shot into the air is a function of time in seconds (t). Complete the following using the graph above: ·What type of function is represented by the flight of the rocket? Explain your answer by using mathematics words, symbols, or both.

Height in Feet Time in Seconds

• How many seconds did it take the rocket to reach a height of 15000 ft? Explain your answer by using mathematics words, symbols, or both. • If the flight of the rocket began at 8: 00 am, appropriate the time to the nearest whole minute, when the rocket reached its maximum height? Explain your answer using mathematics words, symbols, or both.