A person invested $250 in an account growing at a rate allowing the money to double every 1 years. Write a function showing the amount of money in the account . after t years, where the annual growth rate can be found from a constant in the function. Round all coefficients in the function to four decimal places. Also, determine the percentage of growth per year, to the nearest hundredth of a percent.
Function: f(t) = ______ ( ____ )
