Exponential Functions Review

Front

What is an exponential function?

Back

Front

What does the variable 'a' represent in an exponential function?

Back

'a' represents the initial value or starting amount before any growth or decay occurs.

Front

How do you determine the percent of growth in an exponential function?

Back

Front

What does a negative 'r' indicate in an exponential function?

Back

A negative 'r' indicates decay, meaning the quantity is decreasing over time.

Front

How do you calculate the value of an investment after a certain number of years with compound interest?

Back

Front

What is the formula for calculating depreciation of an asset?

Back

Front

If a car depreciates by 10% each year, what is the value after 3 years if it starts at $20,000?

Back

Using the depreciation formula, the value after 3 years is approximately $14,580.

Front

What is the difference between simple interest and compound interest?

Back

Simple interest is calculated only on the principal amount, while compound interest is calculated on the principal and also on the accumulated interest from previous periods.

Front

How do you find the ending balance of an account with monthly compounding interest?

Back

Front

Back

The initial value is 200.