Real World Exponential Problems

You deposit $12,000 into a bank account that pays 0.75% annual interest, compounded monthly. How much money will you have after ten years?

• $12,934.31

• $13,456.01

• $14,951.17

• $12,521.84

Jaime owns a side business detailing cars. His first year he made $10,500 dollars and each of the following years his profit increased by 9% . How much profit (money) will Jaime make after 12 years?

• Initial value is $10500

• Growth factor (base b) is 1.90

• Growth factor (base b) is 1.09

• x represents time therefore x=12.

• $15053.7

• $1320.62

• $1415.71

• 875.40

• 4

• 650.8

• 26

• 630.33

• 27

A town with a population of 5,000 grows 3% per year. Find the population at the end of 10 years.

Hint: x represents time (years, months, days, hours).

• 6719.58

• 6149.37

• 68929.2

• 53022.5

A recent college grad accepts a job at Google Inc. The job has a salary of $50,000 and is guaranteed an annual pay increase of 5%. What will their salary be after 7 years?

Round to the nearest whole number.

Your new computer cost $1500 but it depreciates (decrease) in value by about 18% each year.

How much will you computer be worth after 5 years?

• $827.052

• $556.11

• $0.283435

• $290.238

The height of a tree h is increasing at a rate of 15% each year . If the original height of the tree was 40 feet, what would be the height of the tree after 3 years?
 

• 52.9 feet

• 60.84 feet

• 24.565 feet

• 13500 feet

Grossi makes an initial investment of $5000. The investment loses 13% each year. Find the amount Grossi has at the end of 8 years. Hint: x represents time (years, months, days, hours).

• 1641.87

• 1641.06

• 13292.2

• 617.868

Manuel makes an initial investment of $600. The investment earns 2.5% each year. What would be the balance in the account after 8 years? Hint: x represents time (years, months, days, hours). Round to the nearest whole number.