Real World Exponential Problems

Is the table linear or exponential?

• Linear Table

• Exponential Table

Is the table linear or exponential?

• Linear Table

• Exponential Table

Is the table linear or exponential?

• Linear Table

• Exponential Table

Principal: $5000
Interest Rate: 3.75%
Time: 25 years
Compounded Monthly
State the future account balance.

• $12712.31

• $12,749.30

• $12,657.59

• $12550.84

Using logarithms to solve real-world problems: The value of a car depreciates by 10% each year. If the initial value of the car is $20,000, what will be its value after 5 years?

• The value of the car after 5 years will be $25,000.

• The value of the car after 5 years will be $18,000.

• The value of the car after 5 years will be $12,861.30.

• The value of the car after 5 years will be $22,000.

If a quantity doubles every 3 days, which function models this situation?

• $2677.5

• $19361.1

• $3254.52

• $6231

An experiment begins with 20 grams of a radioactive isotope. This isotope has a half-life. If y is the mass in grams remaining after x half-lives have elapsed, which equation represents the amount of grams the isotope will weigh after 4 half-lives?

• 14

• 34

• 36

• 13