medium, the number of cells in a culture doubles approximately every 30 min. (a) If the initial population is 10 , determine the function Q(t) that expresses the growth of the number of cells of this bacterium a t (in minutes). Q(t)= (b) How long would it take for a colony of 10 cells to increase to a population of 1 million? (Round your answer to the nearest whole numbere min (c) If the initial cell population were 100 , what is our model? Q(t)=