$770 is invested in an account earning 9.3% interest (APR), compounded monthly. Write a function showing the value of the account after tt 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 (APY), . answer in form:
Function: f(t) =___= ___(___)^--
growth/decay : __% increase per year