University:
College Entrance Preparation
Course:
ACT Preparation (Mathematics)
Academic year:

2024
Views:

311

Pages:

2
Author:

Nossardisd7p

NAME Key Study Guide DATE PERIOD SCORE Write correct answer in the blank at the right of each question. 1. Miguel and Molly are cyclists. The graph shows the distance Miguel biked one day. Molly biked at a rate of 0.15 mile per minute. Which statement about their specds is true? A. Molly's speed was the same as Miguel's speed. B. Molly's speed was greater than Miguel's speed. C. Miguel traveled 0.2 mile per minute. D. Miguel traveled 5 miles per minute. 2. What is (3) if f(x)--4x+17 3. Which table represents a nonlinear function? Distance (mi) 21 15 5 10 15 20 25 30 35 40 45 50 Number of Minutes C 1. 2.-11 A. x -1 0 1 2 C. x-5 0 5 10 y 5 7 9 11 y 1 3 7 15 B. 5 13 17 9 D. 6 4 2 0 6-4-2 0 1 5 9 13 3. C 4. Which function is graphed at the right? F.y=x+2 G.y=x+2 H.y=x+2 1. y=-2x+2 of 4. 5. Which function matches the function table at the right? x f(x) A. f(x)=x+3 -2 0 B. f(x) = 2x 1 3 C. f(x)=Ax-1 5 7 D. f(x)=x+2 6. Graphs that represent situations that may not have numerical values are called? F. linear 5. G. nonlinear H. qualitative I. quadratic 6. H Course 3 Chapter 4 Functions NAME: DATE: PERIOD SCORE 7. A plant is a certain height. The height of the plant is measured for several weeks. The graph shows the height of the plant for each week. Which statement is true? [Image of a line graph showing plant height vs. number of weeks] A. The plant grew 2 inches per week. B. The plant grew 0.5 inch per week. C. The initial height of the plant was 2 inches. D. The initial height of the plant was 4 inches. 7. B 8. What is f(3) if f(x) = 2x + 1? 8. 7 9. What is the domain of the relation {(-2, 4), (1, 3), (0, -4), (3, 2)}? A. {-2, 0, 1, 3} B. {-4, -2, 2, 3} C. {0, 1, 2, 4} D. (-4, 2, 3, 4} 9. A 10. Which equation represents the graph at the right? [Image of a parabola opening downwards] F. y = 2x² - 2 G. y = x² - 2 H. y = -2x² I. y = -x² 10. F 11. Student tickets cost $6.50 each, and adult tickets cost $9.50 each. Write an equation that can be used to find the total cost c of any number of student tickets t. 11. c = 6.5t 12. The graph shows the amount of food Dan's bobwhite quails eat each week. Write an equation that can be used to find the number of pounds y eaten after any number of weeks x. [Image of a line graph showing pounds of food vs. time in weeks] 12. y = 75x