In 2000,the population of Arizona was 5 million and growing continuously at a rate of 3.1% per year. Write a function f that models Arizona's population in millions x years after 2000.

Answer 1

F(x) = Po + Po*r*x,
Factor out Po:
F(x) = Po(1 + r*x),
F(x) = 5(1 + 0.031x)