Circle City, a typical metropolis, is densely populatednear its center, and its

Chapter 8, Problem 15

(choose chapter or problem)

Circle City, a typical metropolis, is densely populatednear its center, and its population gradually thins outtoward the city limits. In fact, its population density is10,000(3 r) people/square mile at distance r milesfrom the center.(a) Assuming that the population density at the city limitsis zero, find the radius of the city.(b) What is the total population of the city?

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