Module 5 Lesson 4 practice

A. The function for Tuesday's storm has an initial value of blank .

The function for Friday's storm has an initial value of blank .

There was more snow already on the ground before blank storm.

• 3

  3.6

  Tuesday's

• 3.5

  3.6

  Friday's

• 3.6

  3.5

  Friday's

• 4.2

  3

  Tuesday's

Part B.

The function for Tuesday's storm has a rate of change of blank , while the function for Friday's storm has a rate of change of blank . So the function for blank storm has a greater rate of change.

• 0.6

  1.5

  Tuesday's

• 1.5

  0.75

  Friday's

• 1.2

  1.5

  Tuesday's

• 1.5

  1.2

  Tuesday's

Compare the functions' initial values and rates of change.

A. The function for oven A has an initial value of blank . Oven B has an initial value of blank , so the initial values are the same.

• 25

  110

• 110

  110

• 72

  72

• 25

  25

B. The function for oven A has a rate of change of blank , while oven B has a rate of change of blank . So oven blank has the greater rate of change.

• 25

  38

  B

• 38

  25

  B

• 25

  38

  B

• 25

  32

  A

Determine which company is the least expensive if Trey is planning a 5 mile trip.

What is the least expensive option for a 5 mile trip?

• Outdoor Adventures

• Scenic River Company

• Rivermen Inc.

Rod opens a savings account with an initial deposit of $50. He deposits an additional $10 each week. Meredith also opens a savings account. Her total savings after the first few weeks are shown in the table.

Part A.

Rod's savings has an initial value of ____________while Meredith's savings has an initial value of ____________.

____________savings has the greater initial value.

• 10

  25

  Meredith's

• 25

  50

  Rod's

• 50

  25

  Meredith's

• 50

  25

  Rod's

Rod opens a savings account with an initial deposit of $50. He deposits an additional $10 each week. Meredith also opens a savings account. Her total savings after the first few weeks are shown in the table.

Part B:

Rod's savings has a rate of change of __________. Meredith's savings has a rate of change of __________ .

So, __________ savings has the greater rate of change.

• 10

  15

  Meredith's

• 15

  10

  Rod's

• 15

  20

  Meredith's

• 20

  10

  Meredith's

Rod opens a savings account with an initial deposit of $50. He deposits an additional $10 each week. Meredith also opens a savings account. Her total savings after the first few weeks are shown in the table.

Part C:

After 8 weeks, Meredith will have saved how much more than Rod?

• $10

• $15

• $5

• $20

What is the least expensive option for 6 hours?

• Hidden Treasures

• Road-Less Traveled

• Bowman Bros.

Part A: The function for Option A has an initial value of blank , while Option B had an initial value of blank . Which has the greater initial value?

• 8

  12

  Option A

• 12

  8

  Option A

• 9

  12

  Option B

• 12

  8

  Option A