
Concept explainers
Population Growth. Suppose 30 sparrows are released into a region where they have no natural predators. The growth of the region’s sparrow population can be modeled by the uninhibited growth model
a. When the sparrow population is estimated at 12,500, its rate of growth is about 1325 sparrows per year. Use this information to find k, and then find the particular solution of the differential equation.
b. Find the number of sparrows after 70 yr.
c. Without using a calculator, find

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