Thompson High School had a population of 1800 students in 2010. Every year since then, the population has grown by 50 students a year. Write a formula to model this situation if you let 2010 be t = 0.
A) P = 210 + 50t
B) P = 1800 + 50t
C) P = 2010 + 50t
D) P = 1800 - 50t