9. The population of a city increases by 25% each year, and that city's initial population is 1250. Which function provides a model for P(t), this city's population after t years? A. P(t) = 1250(25)* B. P(t) = 1250(0.25)* C. P(t) = 1250+ (25)* D. P(t) = 1250(1.25)* 1​