The population of a country was 5.381 million in 1990. The approximate growth rate of the country's population is given by f(t) = 0.054294290 01009t where t=0 corresponds to 1990. a. Find a function that gives the population of the country (in millions) in year t. b. Estimate the country's population in 2017. a. What is the function F(t)? Simplify your answer. Use integers or decimals for any numbers in the expression. Round to five decimal places as needed.)