Concept explainers
EXERCISES
Pollution A lake polluted by bacteria is treated with an anti-bacterial chemical. After t days, the number N of bacteria per milliliter of water is approximated by
for
a. When during this time will the number of bacteria be a minimum?
b. What is the minimum number of bacteria during this time?
c. When during this time will the number of bacteria be a maximum?
d. What is the maximum number of bacteria during this time?
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Calculus For The Life Sciences
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