
Concept explainers
Population Model The following data represent the population of the United States. An ecologist is interested in building a model that describes the population of the United States.
Source: U.S. Census Bureau
Using a graphic utility, draw a
Using a graphic utility, build a logistic model from the data.
Using a graphic utility, graph the function found in part (b) on the scatter plot.
Based on the function found in part (b), what is the carrying capacity of the United States?
Use the function found in part (b) to predict the population of the United States in
When will the United States population be
Compare actual U.S. Census figures to the predictions found in parts (e) and (f). Discuss any differences.

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Chapter 5 Solutions
Precalculus
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