Ia2 Support : Functions Formative Assessment (Form B)
Choose the best answer for each question. Good Luck!
- 1.The school chorus had a car wash for their fundraiser. They charged a certain amount of money to was each car. This table shows how f(x), the total amount in dollars that the car wash raised, is a function of x, the number of cars that were washed.x: 0 1 2 3 4 5 6 ...f(x): 0 3 6 9 12 15 18 ...Suppose you plotted points for this function on a grid. Would you connect the points?
- A.
No, because the domain only includes integers greater than or equal to 0.
- B.
No, because the domain includes both negative and positive integers.
- C.
Yes, because the domain includes fractions as well as positive integers.
- D.
Yes, because the domain includes both negative and positive integers.
- 2.The five ordered pairs below reprsent a function.{(-1, 4), (-3, 5), (0, 6), (2, 5), (3,2)}.What is the range for this function?
- A.
{3, -1, 0, 2, 3}
- B.
{3, -1, 0, 2, 3, 2, 4, 5, 6}
- C.
{2, 4, 5, 6}
- D.
All real numbers greater than or equal to 2 and less than 6
- 3.Which describes the symmetry of the function y = x2 + 4?
- A.
Not symmetric to any axis or to the origin
- B.
Symmetric with respect to the x-axis
- C.
Symmetric with respect to the y-axis
- D.
Symmetric with respect to the origin
- 4.Which of the following relations below is not a function?A. {(1,2), (2,4), (3,6), (4,8)}B. {(0,2), (1,2), (2,2), (3,2)}C. {(0,1), (1,2), (1,3), (2,4)}D. {(1,2), (2,2), (3,4), (4,4)}E. {(1,5), (2,6), (3,7), (4,8)}
- A.
Relation A is not a function.
- B.
Relation B is not a function.
- C.
Relation C is not a function.
- D.
Relation D is not a function.
- E.
Relation E is not a function.
- 5.What is the y-intercept of the graph of 3y - 2x = 18?
- A.
18
- B.
2/3
- C.
6
- D.
-6
- E.
-2/3
Questions: 10 | Attempts: 14758 | Last updated: Oct 21, 2019
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