Exponential Equations Growth and Decay Word Problems
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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12 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Annual sales for a fast food restaurant are $650,000 and are increasing at a rate of 4% per year. Use an exponential function to find the annual sales after 7 years.
Round to two decimal places (like dollars and cents).
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The population of a town is 2500 and is decreasing at a rate of 3.5% per year. Use an exponential function to find the population of the town after 5 years.
Round to the nearest whole number (you can't have a fraction of a person).
Tags
CCSS.HSF-LE.A.1C
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The population of a school is 800 students and is increasing at a rate of 2% per year. Use an exponential function to find the population of the school after 9 years.
Round to the nearest whole number.
Tags
CCSS.HSF-LE.A.1C
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
During a certain period of time, about 70 northern sea otters had an annual growth of 18%. Use an exponential function to find the number of sea otters after 4 years.
Round to the nearest whole number.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years.
Round to the nearest whole number.
Tags
CCSS.HSF-LE.A.1C
6.
FILL IN THE BLANK 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. Use an exponential function to find the value of the home today.
Round to two decimal places (like money).
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Initial amount
Rate of growth or decay
Time
End amount
Tags
CCSS.HSF-IF.C.8B
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