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Understanding Exponential Functions in Finance

Financial Education

8th Grade

Understanding Exponential Functions in Finance
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating the future value of an investment with exponential growth, given the principal amount PP , the rate of growth rr , and the time tt in years?

P(1+rt)P(1 + rt)

P(1+r)tP(1 + r)^t

P⋅ertP \cdot e^{rt}

P⋅(1−r)tP \cdot (1 - r)^t

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you invest $1000 at an annual growth rate of 5%, what will be the value of the investment after 3 years?

$1157.63

$1050

$1157.62

$1100

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following scenarios best describes exponential decay in investments?

A stock price increasing by 10% each year.

A car losing 15% of its value each year.

A bank account earning 5% interest annually.

A population of bacteria doubling every hour.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating the future value of an investment experiencing exponential decay, given the initial value V0V_0 , the decay rate rr , and the time tt in years?

V0(1+r)tV_0(1 + r)^t

V0⋅e−rtV_0 \cdot e^{-rt}

V0(1−r)tV_0(1 - r)^t

V0⋅ertV_0 \cdot e^{rt}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a car is worth $20,000 and depreciates at a rate of 10% per year, what will be its value after 2 years?

$16,200

$18,000

$16,000

$18,200

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of exponential growth in finance?

A savings account with a fixed annual interest rate.

A loan with a decreasing interest rate.

A stock that loses value over time.

A bond with a fixed maturity value.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an investment grows at a rate of 8% per year, how long will it take for the investment to double in value?

9 years

8 years

10 years

9.5 years

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