Exponential Functions, Growth, and Decay
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
State the future account balance.
$12,657.59
$12712.31
$12,749.30
$12550.84
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Your shiny new boat cost $7650. The depreciation for your boat is 14% per year. Estimate the value of your vehicle in 3 years. What is the equation that models this problem?
y= 7650(.86)3
y= 7650(.14)3
y= 7650(1+.86/3)1
y= 7650(3)14
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
$16,710.94
$23,219.72
$136.72
$51,710.94
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bruno was given $2000 when he turned 3 years old. His parents invested it at a 2% interest rate compounded annually. No deposits or withdrawls were made. Which expression can be used to determine how much money Bruno had in the account when he turned 16?
2000(1+0.02)13
2000(1-0.02)13
2000(1+0.02)16
2000(1-0.02)16
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?
14327
4309
839
7680
Tags
CCSS.HSF-LE.A.1C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
9766
9006
9765
5433
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
$176,783.29
$424,527.63
$57,357.75
$532,041,076.80
Tags
CCSS.HSF-LE.A.1C
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