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77. Simple epidemic. An influenza epidemic has spread throughout a community of 50,000 people at a rate propor- tional to the product of the number of people who have been infected and the number who have not been infected. If 100 individuals were infected initially and 500 were infected 10 days later: (A) How many people will be infected after 20 days? (B) When will half the community be infected?

77. Simple epidemic. An influenza epidemic has spread throughout a community of 50,000 people at a rate propor- tional to the product of the number of people who have been infected and the number who have not been infected. If 100 individuals were infected initially and 500 were infected 10 days later: (A) How many people will be infected after 20 days? (B) When will half the community be infected?

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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77. Simple epidemic. An influenza epidemic has spread throughout a community of 50,000 people at a rate propor- tional to the product of the number of people who have been infected and the number who have not been infected. If 100 individuals were infected initially and 500 were infected 10 days later: (A) How many people will be infected after 20 days? (B) When will half the community be infected?
Transcribed Image Text:77. Simple epidemic. An influenza epidemic has spread throughout a community of 50,000 people at a rate propor- tional to the product of the number of people who have been infected and the number who have not been infected. If 100 individuals were infected initially and 500 were infected 10 days later: (A) How many people will be infected after 20 days? (B) When will half the community be infected?
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