Giardia When a person swallows giardia cysts, stomach

Chapter 2, Problem 26A

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Problem 26A

Giardia When a person swallows giardia cysts, stomach acids and pancreatic enzymes cause the cysts to release trophozoites, which divide every 12 hours. Source: The New York Times.

a. Suppose the number of trophozoites at time t = 0 is y0. Write a function in the form y = y0ektgiving the number after t hours.

b. Write the function from part a in the form y = y02f(t).

c. The article cited above said that a single trophozoite can multiply to a million in just 10 days and a billion in 15 days. Verify this fact.

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