1) If 43900 dollars is invested at an interest rate of 10 percent per year, find the value of the investment at the end of 5 years for the following compounding methods. Annual? Semiannual? Monthly? Daily? Continuously?

2) If $35600 is invested at an interest rate of 9 percent per year, compounded semi-annually, find the value of the investment after the given number of years. Each answer should be correct to the nearest penny. 5 years? 10 years? 15 years?

3) A bacteria culture initially contains 3000 bacteria and doubles every half hour. The formula for the population is p(t)=3000 e^{kt} for some constant k. (You will need to find k to answer the following.) Size after 110 minutes? Size after 6 hours?