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9.2 HW - Exponential Growth and Decay

Authored by Jesse Emerich

Mathematics

11th - 12th Grade

Used 5+ times

9.2 HW - Exponential Growth and Decay
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What type of function is y = 7(5/4)x?

Exponential Growth
Exponential Decay
Linear
None of the above

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6

Growth
Decay

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is a, the initial amount, for the function: f(x) = 300(1.16)x?

300
1.16
.16
x

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)x
y=30(5000)x
y=5000(1.3)x
y=5000xx

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Is this exponential growth or decay?

Growth

Decay

Neither, it's linear

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the decay rate (rate of decrease) in the following model?

A=1200(.85)6

1200

.15

.85

6

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is r, the growth rate (rate of increase), for the function: f(x) = 300(1.16)x?

300

1.16

.16

x

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