NEW
Font size
S
M
L
XL
WorksheetsExponential Growth and Decay
Total questions: 15
Worksheet time: 44mins
Name
Class
Date
1.
A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?
a)
14327
b)
4309
c)
839
d)
7680
2.
Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?
a)
$23,219.72
b)
$136.72
c)
$51,710.94
d)
$16,710.94
3.
The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?
a)
9766
b)
9006
c)
9765
d)
5433
4.
Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?
a)
$176,783.29
b)
$424,527.63
c)
$57,357.75
d)
$532,041,076.80
5.
Is this exponential growth or decay?
a)
Growth
b)
Decay
6.
What is the initial value for the function: f(x) = 300(1.16)x?
a)
300
b)
1.16
c)
.16
d)
x
7.
The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.
a)
y=1400(1.09)x
b)
y=1.09(1400)x
c)
y=1400(.91)x
d)
y=1.09x
8.
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
a)
y = 15(35)x
b)
y = 15(1.35)x
c)
y = 15(0.35)x
d)
y = 35(1.15)x
9.
Is the pictured graph growth, decay, or linear or none?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None
10.
Is this exponential growth or decay?
a)
Growth
b)
Decay
11.
Is this exponential growth or decay?
a)
Growth
b)
Decay
12.
Is the pictured graph growth, decay, or linear or none?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None
13.
This is an example of:
a)
Linear Growth
b)
Linear Decay
c)
Exponential Growth
d)
Exponential Decay
14.
This is an example of: f(x)= 25 ( 0.20)x
a)
Linear Growth
b)
Linear Decay
c)
Exponential Growth
d)
Exponential Decay
15.
This is an example of: f(x)= 0.25 ( 1.3)x
a)
Linear Growth
b)
Linear Decay
c)
Exponential Growth
d)
Exponential Decay
Reset
