Under a Set of Controlled Laboratory Conditions, the Size of the Population

Multiple Choice

Under a set of controlled laboratory conditions, the size of the population of a certain bacteria culture at time t (in minutes) is described by the function Find the rate of the population growth at t = 30 min.

A) 3 bacteria per minute
B) 30 bacteria per minute
C) 180 bacteria per minute
D) 2 bacteria per minute
E) 123 bacteria per minute