The number of bacteria in a sample after x days is represented using the equation. by what approximate percent does the population change per day? a. 4.8% decreaseb. 5.0% increasec. 95.2% decreased. 105.0% increase

Question

Mathematics

Steve Mcclain

12 May, 15:07

The number of bacteria in a sample after x days is represented using the equation. by what approximate percent does the population change per day? a. 4.8% decreaseb. 5.0% increasec. 95.2% decreased. 105.0% increase

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Answers (1)

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Cale Douglas · Answer 1

Initial, x = 0, b = 50000

day 1, x = 1, b = 50000 (1.05) ^-1

day 2, x = 2, b = 50000 (1.05) = ^-2

day 2 / day 1 = 1.05^-2 / 1.05^-1 = 1.05^-1 = 0.952

Which means that the number of bacteria decreased 4.8%