Concept explainers
a.
To Find: The numbers of bacteria will the colony contain at the end of
a.
Answer to Problem 23E
The numbers of bacteria will the colony contain at the end of
Explanation of Solution
Given information: The cholera bacteria in a colony grows unchecked according to the law of exponential change. The colony starts with
Formula used:
Where
Calculation:The initial condition is
Bacterium doubles every half hour
So, in
The numbers of bacteria at
b.
To Explain: Why a person who feels well in the morning may be dangerously ill by evening even though, in an infected person
b.
Answer to Problem 23E
The overall number of bacteria still increase in time, and thus a well person may be dangerously ill by evening
Explanation of Solution
Given information: The numbers of bacteria will the colony contain at the end of
Bacteria populations grows at an exponential rate
The bacteria reproduce fast enough that even if many are destroyed there are still enough left to make the person sick. The overall number of bacteria still increase in time, and thus a well person may be dangerously ill by evening.
Chapter 7 Solutions
Calculus: Graphical, Numerical, Algebraic
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