The population of a town after 1990 can be modeled by the expression I(1.045)^t, where t represents the number of years since 1990 and I represents the population of the town in the year 1990. which expression represents the monthly growth rate? A I(1.045^12)^12t

B. I(1.045^12)^1/12t

C. I(1.045^1/12)^1/12t

D. I(1.045^1/12)^12t

please only respond if you know the answer :)