
Exponential Growth and Decay
Authored by Tre'Nee Uzoka
Mathematics
9th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
y = 15(35)x
y = 15(1 + 0.35)x
y = 15(0.35)x
y = 35(1+ 0.15)x
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
y=6(0.14)x
y=6(1+14)x
y=6(1+ 0.14)x
y=6(1 - 0.14)x
3.
MULTIPLE CHOICE QUESTION
5 mins • 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?
$23,219.72
$136.72
$51,710.94
$16,710.94
4.
MULTIPLE CHOICE QUESTION
3 mins • 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?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Change 6.75% to a decimal.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Semi-Annually means how many times a year?
7.
MULTIPLE CHOICE QUESTION
5 mins • 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?
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