Concept explainers
In Exercises 17-26, it is useful to think of slope as representing the average rate of change of one variable corresponding to a change in the other variable .To keep the numbers you work with small, represent the first year for which you have data as year 0. For example, in Exercise 17, the year 2009 is year 0. In Exercise 24, the year 2010 is year 0.
College enrollment. In 2009, there were 10.3 million females enrolled in degree- granting institutions of higher education and that number was increasing at a rate of 200,000 per year (Source: U.S. Bureau of census)
a. Model this information with a linear equation.
b. Use this model to project how many females will be in degree-granting institutions of higher education in 2025.
c. Use this model to determine in what year we expect to have 15 million females enrolled in degree-granting institutions of higher education.
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Chapter 7 Solutions
Mathematics All Around-Workbook
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