Exponential Growth Compound Interest

An investment of $9,875 earns 4.8% interest compounded monthly over 12 years. Approximately how much INTEREST is earned on the investment?

• $7,457.95

• $10,359.57

• $17,546.55

• $484.57

Will deposits $1650 for three years at 3% interest, compounded daily. What is his ending balance?

• $1,700.25

• $4,056.85

• $2,103.87

• $1,805.38

You have inherited land that was purchased for $30,000. The value of the land increased by approximately 5% per year. What is the approximate value of the land 51 years later?

• $344,022

• $31,500

• $15,000

• $28,500

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

The population of a bacterial culture grows at a rate of 4.5% every hour. If there were 200 bacteria at the start, how many bacteria are present after 10 hours?

• 250

• 300

• 310

• 370

More and more people are purchasing food from farmers' markets. As a consequence, a market researcher predicts that the number of farmers' markets will increase by 15% each year. If there are 6,200 farmers' markets this year, how many will there be in 10 years? (Round to the nearest whole number if necessary).

• 25,082

• 12,937

• 62,000

• 43,511

Suppose you buy Patti the Platypus beanie baby for $6,000. She appreciates 11% every year. How much will she be worth in 7 years? Round to the hundredth. Do not type the $ symbol.

You invest in a stock that appreciates 8% per year. You purchased the stock for $650. How much is it worth after 5 years? Round to the hundredth. Do not type the $ symbol.

The equation for this table is

• y = 3x + 50

• y = 50^x

• y = 3^x

• y = 50(3^x)

The growth factor for this table is 

• 2

• 4

• 12

• 144