(4) Consider the constant rate of decrease of a certain microorganism. At the start, there are 12,000 microorganisms in a certain place. After 30 seconds, the population decreased to 8000. If the number of microorganisms is directly proportional to the constant rate of decay and such decrease in number continues at the same rate, then how many microorganisms will there be after 45 seconds?
(4) Consider the constant rate of decrease of a certain microorganism. At the start, there are 12,000 microorganisms in a certain place. After 30 seconds, the population decreased to 8000. If the number of microorganisms is directly proportional to the constant rate of decay and such decrease in number continues at the same rate, then how many microorganisms will there be after 45 seconds?
Chapter10: Exponential And Logarithmic Functions
Section10.5: Solve Exponential And Logarithmic Equations
Problem 10.88TI: Researchers recorded that a certain bacteria population declined from 700,000 to 400,000 in 5 hours...
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Transcribed Image Text:(4) Consider the constant rate of decrease of a certain microorganism. At the start, there are 12,000
microorganisms in a certain place. After 30 seconds, the population decreased to 8000. If the
number of microorganisms is directly proportional to the constant rate of decay and such
decrease in number continues at the same rate, then how many microorganisms will there be
after 45 seconds?
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