Part A The population p, in thousands of bacterial colonies on a kitchen bench can be modelled by the function p(t) = 200+ 20t - t2 where t is time in hours. a) State the initial population. b) Determine the growth rate of the population in terms of t. c) What does it mean when p'(t) = 0? Calculate the value of t when this occurs and explain what this answer means. (+) for + greater

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