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(3) Suppose an experiment was conducted to identify the exponential growth model of a species of flies so that there were 150 flies in day 2 and 600 flies in day 4. How many flies were there originally? How many flies will there be after a week?

(3) Suppose an experiment was conducted to identify the exponential growth model of a species of flies so that there were 150 flies in day 2 and 600 flies in day 4. How many flies were there originally? How many flies will there be after a week?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Exponential Growth and Decay and Logistic Growth Model (3) Suppose an experiment was conducted to identify the exponential growth model of a species of flies so that there were 150 flies in day 2 and 600 flies in day 4. How many flies were there originally? How many flies will there be after a week? (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?
Transcribed Image Text:Exponential Growth and Decay and Logistic Growth Model (3) Suppose an experiment was conducted to identify the exponential growth model of a species of flies so that there were 150 flies in day 2 and 600 flies in day 4. How many flies were there originally? How many flies will there be after a week? (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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