Concept explainers
Population Growth These exercises use the population growth model.
10. Bat Population The bat Population in a certain Midwestern county was 350,000in 2012. and the observed doubling tune for the is 25 years.
(a) Find anexponential model
(b) Find an exponential model
(c) Sketch a graph of the population at time t.
(d)Estimate long it takes to reach 2 million.
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