Question 1:

You are in an elevator overlooking a big city. You are currently 18 feet above the city when

you stop to take pictures before you keep riding. The elevator travels 2 feet in a minute.

A. How high will the elevator rise after 1 hour?

B. Complete the table:

Time (minutes) Height (feet)

5

10

15

54

Question 1 Continued:

C. Write a function rule that will allow you to determine your height after any number of

minutes.

D. Graph the function.

Question 2

You have saved $200 for a vacation. Once on the trip, you are spending money at the

rate of $13.50 per day.

A. How much money will you have left after 3 days?

B. Use a function rule to determine how many days it will take for you to run out of money.

Question 3

Find the output for f(x) = -4x + 3 when the input x = 5 is used.

Question 4

For a special parent dinner, find the total catering cost for 4 and 5 people:

Number of People

1 2 3 4 5

Total Catering Cost (dollars)

36 43 50

Question 5

Write a function rule for the following table:

x f(x)

2 -6

3 -10

4 -14

5 -18

Question 6

Your new flower is currently 3 cm tall, but it is growing at the rate of 0.5 cm each day.

A. Write a function rule to describe the relation.

B. After how many days will the flower be 5 cm tall?

Question 7

Which of the functions has the smallest initial amount?

Which has the largest rate of change?

f(x) = 2x + 4

g(x) = -4x + 3