Question 1

A nation's population is growing by 3% each year.  If the nation's population is 2,500,000, which answer below correctly represents the nation's population, P, after t years.

Accepted Answer

$P = 2,500,000(1.03)^t$

Answer

$P = 1.03(2,500,000)^t$

Answer

$P = 2,500,000(0.03)^t$

Answer

$P = 2,500,000(1.3)^t$

Question 2

If a car's value appreciates 7% each year, what is the growth factor of the exponential growth? Write your answer as a decimal.

Accepted Answer

1.07

Question 3

In the equation y = 2,000(1.28)^x, what is the growth rate?

Accepted Answer

28%

Question 4

Amanda's bank account rose from $500 to $650. Amanda write the following equation: 150/500=0.3. What does 0.3 represent?

Accepted Answer

Growth rate

Answer

Y intercept

Answer

Growth factor

Answer

Rate of decay

Question 5

A bond increase value at 3% annually. If you invest $800, how long will it take to double your money?

Accepted Answer

24 years

Answer

12 years

Answer

8 years

Answer

4 years

Question 6

A car depreciates (loses value) 10% a year. If it is currently worth $18,000, how much will it be worth in 10  years. (Use a $ sign, a comma if needed and round your answer to nearest dollar.)

Accepted Answer

$6,276

Question 7

A car depreciates (loses value) 10% a year. What is the decay factor in the exponential decay equation? Write your answer as a decimal.

Accepted Answer

0.9

Answer

1.1

Answer

-0.1

Answer

.10

Question 8

Which answer below is the closest estimate to the growth factor of the table above.  Assume years are increasing by a single year and not by two years.

Accepted Answer

1.35

Answer

2.37

Answer

0.35

Answer

0.65

Question 9

What is the equation of the graph above?

Accepted Answer

$y = 3^x$

Answer

$y = 3(1)^x$

Answer

$y = 2^x$

Answer

$y = (3)^(x - 1)$

Related quizzes

Related quizzes