1.
Which pair of quantities are most likely to be related as a function?
A.
color of car and gas mileage
B.
length of phone call and cost of phone call
C.
length of hair and age
D.
month of birth and height
Hint
2.
Alejandro owns his own accounting firm. The chart shows how much his business was worth at different periods after it was founded. Describe the trend in the net worth of Alejandro's firm.
A.
Alejandro's firm is decreasing in value every year.
B.
Alejandro's firm is remaining at a constant value.
C.
There is no relation between time and the net worth of Alejandro's firm.
D.
Alejandro's firm is becoming more valuable every year.
Hint
3.
A certain company has performed a study to see how long a certain project took to complete on average with different numbers of people working on it. The results are below. How is the time required related to the number of people on the project?
A.
There is no correlation between the amount of time needed for a project and the number of people working on it.
B.
The amount of time needed decreases as more people work on the project.
C.
The amount of time needed remains constant.
D.
The amount of time needed increases as more people work on the project.
Hint
4.
Which pair of quantities are most likely to be related as a function?
A.
price of book and first letter of title
B.
shoe size and age
C.
phone number and age
D.
person' school and his or her favorite food
Hint
5.
Marc and Sok-Yun are filling up a swimming pool. Which of the graphs most likely represents the relationship between the water level and time spent filling up the pool.
A.
B.
C.
D.
Hint