Help please

The exponential function f(x) =41.43(1.028)" describes the population of a certain country, y, in millions, in year x. a) Substitute 0 for x and, without using a calculator, find the country's population in year 0. b) Find the country's population in year 28 as predicted by this function. O A, a) 41.43 million; b) 92.282 million O B. a) 1 million; b) 94.866 million O C. a) 1028 million; b) 87.323 million O D. a) 41.43 million; b) 89.768 million