The number of bacteria in a refrigerated food product is given by N(T) = 28T² – 135T + 49, 5 < T < 35 where T is the temperature of the food. When the food is removed from the refrigerator, the temperature is given by T(t) = 6t + 1.5 , where t is the time in hours. Find the composite function N(T(t)): N(T(t)) = Preview Find the number of bacteria after 4.4 hours. Give your answer accurate to the nearest whole value. Preview bacteria

30t Z'(t) = + 2t (3t2 + 6.05) where t is time in days since the Zombie horde was accidentally released from the research facility, and Z represents the total number of Zombies loose. There were 30 Zombies accidentally released from the facility at the start of the outbreak (t = 0). a. Find the function that represents the total number of Zombies on the loose at any given time. b. How many Zombies will there be after 3 weeks? That is, 21 days?

A cell of some bacteria divides into two cells every 50 minutes. The initial population is 4 bacteria. (a) Find the size of the population after t hours y(t) = (function of t) (b) Find the size of the population after 8 hours. y(8): (c) When will the population reach 32? T =