Concept explainers
The graph shows the number of students enrolled in public colleges for selected years (Source: U.S. National Center for Education Statistics, www.nccs.cd.gov). The x variable represents the number of years since 1990 and the y variable represents the number of students (in millions).
a. Use the points
b. Interpret the meaning of the slope in the context of this problem.
c. Interpret the meaning of the y -intercept in the context of this problem.
d. In the event that the linear trend continues beyond the observed data point, use the model in part (a) to predict the number of students enrolled in public colleges for the year 2020.
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College Algebra with Corequisite Support
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