A principal of 5000 is invested at 4 per annum compounded co

A principal of $5,000 is invested at 4% per annum compounded continuously. Estimate the doubling time and sketch a graph showing how the amount increases with time.

doubling time = 6 years

Solution

A=Pe^rt

10000=5000e^.04t

2=e^.04t

ln 2/.04=t

t=17 years

Correct option is the last one .