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Homework 6.7 Exponential Models Percent Based

Authored by Beronica Guardado

Mathematics

10th Grade

CCSS covered

Used 1+ times

Homework 6.7 Exponential Models Percent Based
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Linear Growth

Linear Decay

Exponential Growth

Exponential Decay

Tags

CCSS.HSF-IF.C.8B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Linear Growth

Linear Decay

Exponential Growth

Exponential Decay

Tags

CCSS.HSF-IF.C.8B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 A flea medicine breaks down at a rate of 20% per hour.  This is the rate of decay of the medicine. The initial dose is 60 milligrams. Which of the following represent the equation the models the amount of flea medicine left in an animal?

Tags

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

y=8(15,000)x
y=15,000(1.08)x
y=15,000(0.92)x
y=15,000(0.08)x

Tags

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The amount of ants in a colony, f, that is decaying can be modeled by                      f(x) = 800(.87)x, where x is the number of days since the decay started. By what percentage is the colony decaying?

87%
13%
800%
8.7%

Tags

CCSS.HSF-IF.C.8B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The amount of ants in a colony, f, that is decaying can be modeled by                         f(x) = 800(.87)x, where x is the number of days since the decay started. Suppose           f(20) = 49. Which of the following is true?

After 20 days, there are 49 ants in the colony.
After 49 days there are 20 ants in the colony.
The amount of ants times 20 is 49.
After 20 days the amount of ants remaining decreases by 49.

Tags

CCSS.HSF-IF.C.8B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Marilyn collects old dolls. She purchases a doll for $450. Research shows this doll's value will increase by 2.5% each year. Write an equation that determines the value, V, of the doll t years after purchase.

V = 450(1 + 0.025)t

V = 450(1 – 0.025)t

V = 450(1 + 2.5)t

V = 450(1 – 2.5)t

Tags

CCSS.HSF-BF.A.1A

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