1. Sophie invested $5,000 into an account that will increase 2.3% each year. Find the value of the investment after 15 years.


2. Sophie invested $5,000 into an account that will increase 2.3% each year. After hour many years will the account have a balance of $10,000? Round to the nearest year.

3. Sophie invested $5,000 into an account that will increase 2.3% each year. How much interest did she earn after 15 years?