The number of cases of a disease, , is reduced by 10% each
Chapter , Problem 4.3.42(choose chapter or problem)
The number of cases of a disease, , is reduced by 10% each year. (a) If there are initially 10,000 cases, express as a function of , the number of years elapsed. (b) How many cases will there be 5 years from now? (c) How long does it take to reduce the number of cases to 1000?
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