zania30
13.01.2021 •
Mathematics
In a lab, 670 cells are present at the beginning of an experiment.
During the first 6 hours, the number of cells decreased by 15%
each hour.
(a) Write an exponential model giving the number of cells y present
t hours after starting the experiment.
(b) Estimate the time when the number of cells is 210.
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Ответ:
B(-5,-2) is the answer of the times