# Example 3

- Author:
- Walch Education

Money deposited in a bank account earns interest on the initial amount deposited as well as any interest earned as time passes. This compound interest can be described by the expression , where represents the initial amount deposited, represents the interest rate, and represents the number of years that pass. How does a change in each variable affect the value of the expression?

- Refer to the expression given:
. - Determine what effect, if any, changing the value of
has. - Determine what effect, if any, changing the value of
has. - Determine what effect, if any, changing the value of
has.