Problem

Use an exponential model and a graphing calculator to estimate the answer in each proble...

Use an exponential model and a graphing calculator to estimate the answer in each problem.

Eliminating a disease Suppose that in any given year the number of cases of a disease is reduced by 20%. If there are 10,000 cases today, how many years will it take

a. to reduce the number of cases to 1000?

b. to eliminate the disease; that is, to reduce the number of cases to less than 1?

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Textbook Solutions and Answers Search
Solutions For Problems in Chapter 1.5