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Function: require_once
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Line: 367
Function: require_once
A bacteria culture initially contains 400 cells and grows at a rate proportional to its size. After 2 hours the population has increased to 440 . (a) Find an expression for the number of bacteria after
thours.
P(t)=(b) Find the number of bacteria after 9 hours. (c) Find the rate of growth after 9 hours (d) When will the population reach 4000 ?