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Mathematics, 20.12.2019 23:31 avree4722
The number of e. coli bacteria cells in a pond of stagnant water can be represented by the function below, where a represents the number of e. coli bacteria cells per 100 ml of water and t represents the time, in years, that has elapsed.
a(t)=136(1.123)^4t
based on the model, by approximately what percent does the number of e. coli bacteria cells increase each year?
a.
60%
b.
59%
c.
41%
d.
40%
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