Question 1

In the graph showing the number of daily homework problems assigned for a math class, the horizontal axis shows the number of school days since the beginning of the term and the vertical axis shows the number of daily homework problems.Which conclusion is correct based on this graph?

Options :

A : The minimum number of daily homework problems is 31 and occurs at day 1.

B : The maximum number of daily homework problems is 29 and occurs at day 3.

C : The maximum number of daily homework problems is 21 and occurs at day 11.

D : The minimum number of daily homework problems is 18 and occurs at day 22.

Answer: D

Question 2

After a water tank starts leaking, the amount of water in the tank is modeled by the exponential function that is graphed.Which statement is justified considering the location of the horizontal asymptote?

Options :

A : The water volume will not decrease to 500 gallons.

B : The greatest water volume occurs after 11 minutes.

C : The rate of change in water volume quickens over time.

D : The water volume will change by a constant rate over time.

Answer: A

Question 3

The number of new user accounts per day on a website is modeled by a decreasing exponential function. The graph of the function is shown.Which statement is justified considering the location of the horizontal asymptote?

Options :

A : The number of daily new user accounts will change by a constant rate over time.

B : The greatest number of daily new user accounts occurs after 10 months.

C : The number of daily new user accounts will not decrease to 0.

D : The number of daily new user accounts changes the most after the first 5 months.

Answer: C

Question 4

A new company just launched and is using the function to predict its market share after years. The graph of is shown.When should the company expect to have a market share of ?

Options :

A : After 2 years

B : After 5 years

C : After 6 years

D : After 6.6 years

Answer: D

Question 5

The scatterplot shows data on the usage of a computer ' s CPU over time. The graphed regression function has an value of .What is the appropriate range of -values for extrapolation?

Options :

A : to

B : Extrapolation is not appropriate because .

C : Extrapolation is not appropriate because .

Answer: B