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Exponential Functions (Mixed Practice)

Authored by Jeffrey Barden

Mathematics

9th - 12th Grade

CCSS covered

Used 8+ times

Exponential Functions (Mixed Practice)
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16 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

$9000 is placed in an account with an annual interest rate of 7.75%. How much will be in the account after 18 years, to the nearest cent?

$17565.02

$34494.79

$9000.00

$32328.41

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A town has a population of 10000 and grows at 2.5% every year. What will be the population after 7 years, to the nearest whole number?

9981 people

10591 people

12437 people

11887 people

Tags

CCSS.HSF.BF.A.2

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

An element with mass 310 grams decays by 5.7% per minute. How much of the element is remaining after 9 minutes, to the nearest 10th of a gram?

182.8 grams

235.7 grams

191.5 grams

112.1 grams

Tags

CCSS.HSF.LE.A.4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A new car is purchased for $15500. The value of the car depreciates at 7.5% per year. What will the value of the car be, to the nearest cent, after 6 years?

$8653.97

$14381.19

$9709.17

$10225.36

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

An investment of $2280 is placed into an interest bearing account with an annual interest rate of 3.375%. The interest is compounded weekly. What is the value of the investment after 30 months?

$2927.28

$2480.66

$2520.75

$2397.24

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

In 1989, an investment of $36000 was placed into an interest bearing account with an annual interest rate of 4%. The interest has been compounding daily up until 2023. What is the value of the investment?

$146,002.74

$135,879.56

$137,716.23

$140,252.51

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Owen is going to invest in an account paying an interest rate of 5.7% compounded continuously. How much would Owen need to invest, to the nearest hundred dollars, for the value of the account to reach $122,000 in 14 years?

$54900

$55000

$54927.88

$54000

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