A town has a population of 4776 people at time t=0. The population increases by 54 people a year. What is the formula for the population, P, of the town as a function of year t?
A) P(t) = 4776 + 54t
B) P(t) = 4776 - 54t
C) P(t) = 4776 * 54t
D) P(t) = 4776 / 54t