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Home Q & A Board Science-Related Homework Help Mathematics
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Joseph N Joseph N
wrote...
4 months ago
Brewing beer involves a fermentation process to convert sugars into alcohol. This conversion
is operated by a colony of single-cell organisms, yeast. The equation
𝑁 (𝑡) = 200×10^9/1 + 9 e−2𝑡
represents the number of yeast cells per gram at time 𝑡 (in days) in a brew, during the
“respiration” phase, i.e., before fermentation takes place. Sketch the function and calculate at
what time the population reaches 195×10^9, i.e., 97.5% of the maximum value
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wrote...
#1
Educator
4 months ago
Hi Joseph N

I'm not entirely sure how to sketch it, but here's how to solve it.
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