The population of a certain single-cell organism doubles every hour, starting with 100 cells. which could be an equation to model this situation, where f(t) is the number of organisms and t is time in hours?
a) f(t) = 200t
b) f(t) = 100(2t)
c) f(t) = 2t + 100
d) f(t) = 100(1/2t)