College students are graduating with the highest debt burden in history. The bar graph shows the mean,

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College students are graduating with the highest debt burden in history. The bar graph shows the mean, or average, student-loan debt in the United States for five selected graduating years from 2001 through 2013.image


Here are two mathematical models for the data shown by the graph. In each formula, D represents mean student-loan debt, in dollars, x years after 2000.image


a. Which model better describes the data for 2001?


b. Does the polynomial model of degree 2 underestimate or overestimate mean student-loan debt for 2013? By how much?

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Related Book For  answer-question

College Algebra

ISBN: 9780134453262

7th Edition

Authors: Robert F Blitzer

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