In a study of the spread of illicit drug use from an enthusiastic user to a population of N users, the authors model the number of expected new users by the equation
where c, k and λ are positive constants. Evaluate this
Source: F. Hoppensteadt et al., ‘“Threshold Analysis of a Drug Use Epidemic Model,” Mathematical Biosciences 53 (1981): 79‒87.
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Chapter 7 Solutions
Calculus, Early Transcendentals