1. Which of these graphs represents a function? A.
B.
C.
D.
2. A plumber charges $35 to make a house call, plus $25 an hour for labor. This equation representsc, the total cost of a visit forh hours.
What is the independent variable? A.Number of hours worked B.Amount of money paid C.Price of labor D.House call charge
3. The table below represents the relationship between the number of gallons of gas in a gas tank and the number of miles that can be driven.
Gas in Tank (gallons) 0 1 2 3 4 5
Miles that Can Be Driven 0 30 60 90 120 150
Which quantity represents the dependent quantity in this table? A.Gallons of gas in tank B.Miles that can be driven C.Miles per gallon D.Price per gallon
4. Which of these sets of ordered pairs does not represent a function? A.{(1, 1) (2, 2) (3, 3) (4, 4) (5, 5)} B.{(2, 1) (4, 2) (6, 3) (8, 1) (10, 2)} C.{(0, 0) (2, 3) (3, 6) (2, 9) (6, 12)} D.{(1, 5) (2, 4) (3, 3) (4, 2) (5, 1)}
5. The charge,C, for an overdue library book is $0.25 plus an additional $0.06 for each day, D, the book is late. Which of the following equations represents the relationship between the values ofCandD? A.D= 0.25 + 0.06C B.0.06D= 0.25 +C C.C= 0.25 + 0.06D D.C= 0.06 + 0.25D
6.
Which inequality best describes the number line graph above? A. B. C.- 2 >x> 3 D.
7. Which inequality represents the graph shown below?
A. B. C. D.
8. Discount tickets to a movie are available for customers who are less than 12 years old or at least 55 years old. Which graph best models this situation? A.
B.
C.
D.
9. What is the range of the function when the domain is {0, 1, 2, 3}? A.{5, 6, 7, 8} B.{5, 3, 1, -1} C.{5, 7, 9, 11} D.{-5, -3, -1, 1}
10. Which situation would produce the graph below?
11. A scatterplot of time spent studying and grade acquired on a test is shown below. Which statement best describes the relationship of the values in this scatterplot?
13. This graph represents the parent function for what type of function?
A. B. C. D.
Absolute value Linear Quadratic Exponential growth
14. Peter works at a grocery store to earn money to buy a used vehicle. The bar graph below shows his monthly earnings last year.
What is the domain of the bar graph? A.{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} B.{700, 800, 900, 1000, 1050, 1100, 1150, 1200, 1300, 1400} C.{January, February, March, April, May, June, July, August, September, October, November, December} D.{0, 200, 400, 600, 800, 1000, 1200, 1400, 1600}
15. Which of the following describes the 2 appearance of the graph ofy= - 3xrelative to 2 the graph ofy=x? A.It opens in the same direction and is wider. B.It opens in the same direction and is narrower. C.It opens in the opposite direction and is wider. D.It opens in the opposite direction and is narrower.
17. Which of the following is the symbolic representation for the phrase "seven less than three times a number"? A.7 - 3n B.3n- 7 C.3 - 7n D.7n- 3
18. Tracy recorded the number of steps she climbed per minute during her workout. The table below shows the relationship between the number of minutes she worked out and the number of steps she climbed.
Number of Minutes (m) 2 4 6
Number of Steps (s)
104 208 312
Which of the following equations represents the data in the table? A.m= 104 +s B.m= 104s C.s= 52 +m D.s= 52m
19. What is the value of this function evaluated at 2 f(-3)?f(x) = 2x+ 5x- 9 A.- 6 B.- 42 C.42 D.12
20. What is the simplified form of this expression? 2 2 2(3x+ 3) - (x- 5x+ 7) 2 A.5x+ 5x- 1 2 B.5x+ 5x+ 13 2 C.5x- 5x- 4 2 D.6x- 5x- 1
22. The length and width of a rectangle are represented by 2x + 3 and x - 1 respectively. Which of the following represents the perimeter of the rectangle? A.3x + 2 B.3x + 4 C.6x + 4 2 D.2x + x - 3
23. Given the function f(x) = 2x + 3, solve for the dependent variable if the independent variable is 6. A.6 B.3 C.15 D.12
24. These equations are graphed on a coordinate graph.
2 Equation 1:y=x 2 Equation 2:y= 5x
How does the graph of Equation 2 differ from the graph of Equation 1? A.The vertex is 5 units higher. B.The vertex is 5 units lower. C.It is narrower. D.It is wider.
25. 2 The graph ofy=x- 1 is shown below.
Which of the following graphs represents the 2 graphy=x- 4 ? A.