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QUESTION
When an antibiotic is introduced into a culture of 80,000 bacteria, the number of bacteria decreases exponentially. After 6 hours, there are only...
When an antibiotic is introduced into a culture of 80,000 bacteria, the number of bacteria decreases exponentially. After 6 hours, there are only 50,000 bacteria.
a. Write an exponential equation to express the growth function y in terms of time t in hours.
b. In how many hours will half the number of bacteria remain?
