Your parents would like to invest s$10,000 in to a RESP. Investment A offers a 10% return compounded semiannually, and Investment B offers a 9.75% return compounded continuously.

A) Which investment has a higher return over a 4-year period?

B) How long will it take for the investment to grow to $20,000 if your parents decide to invest the money into Investment B?

C) Find the instantaneous rate of change after 10 years if the money is invested in investment B.