7 Questions

Questions and Answers

- 1.
- A.
The hedges grew rapidly at first, and then grew slowly during a drought.

- B.
The hedges grew slowly at first, but then grew faster with fertilizer before being trimmed.

- C.
The hedges grew rapidly, and then stayed at the same height because they were trimmed often.

- D.
The hedges were timmed monthly, but grew rapidly between trimmings.

- 2.Which situation would be represented by a graph with points that are not connected?
- A.
The temperature of soup as it cools to room temperature

- B.
The height of a plant as it grows

- C.
The distance traveled on a bike

- D.
The number of shoppers who visited a store each day of the week

- 3.What is the domain of the relation below? x 3 6 8 9 y 0 5 6 7
- A.
{3, 6, 8, 9}

- B.
{0, 5, 6, 7}

- C.
{0, 3, 6, 9}

- D.
{6}

- 4.Which of the following relations is a function?
- A.
{(1,-6), (3,-5), (1,0)}

- B.
{(0,5), (5,-1), (5,9)}

- C.
{(6,1), (6,2), (6,3)}

- D.
{(0,8(, (1,7), (2,6)}

- 5.
- Which equation shows the relationship between the x- and y-values shown below?

- A.
Y = 2x

- B.
Y = 3x - 1

- C.
Y = 2x + 1

- D.
Y = x + 3

- 6.Which function could represent the following situation: “An internet café charges $0.20 per minute.
- A.
F(m) = m + 0.20

- B.
F(m) = m/20

- C.
F(m) = 0.20m

- D.
F(m) = 20m

- 7.An architect must convert 216, 183, and 129 yards to feet. Which function rule describes the situation?
- A.
F(y) = y/3

- B.
F(y) = 3y

- C.
F(y) = 3/y

- D.
F(y) = y – 3