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Question 21 (6 points) A population of yeast cells can double in 2 h. Assume an initial population of 120 cells. a) What is the growth rate, in percent per hour, of this colony of yeast cells? b) Write an equation that can be used to determine the population of cells at thours. c) Use your equation to determine the population after 12 hours. d) Use your equation to determine the population after 210 min. e) Approximately how many hours would it take for the population to reach 500 000 cells? f) What are the domain and range for this situation? A/