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anonymous
 5 years ago
If a bacteria population starts with 150 bacteria and doubles every four hours, then the number of bacteria after t hours is n = f(t) = 150 · 2t/4.
(a) Find the inverse of this function.
anonymous
 5 years ago
If a bacteria population starts with 150 bacteria and doubles every four hours, then the number of bacteria after t hours is n = f(t) = 150 · 2t/4. (a) Find the inverse of this function.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Just express t in terms of f(x), thus: t = 4f(t)/150 You could then calculate after how many hours the population was, say, 1050. Answer t = 1050 times 4/150 = 28 hours

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can you show me how you got this please

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i think it is \[150\times 2^{\frac{t}{4}}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so inverse is \[\frac{4ln(\frac{x}{150})}{ln(2)}\]
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