The bar graph shows the average cost of tuition and fees at private four-year colleges in the United States.

The formula

models the average cost of tuition and fees, T, at private U.S. colleges for the school year ending x years after 2000. Use this information to solve Exercises 131–132.

a. Use the formula to find the average cost of tuition and fees at private U.S. colleges for the school year ending in 2014.

b. By how much does the formula underestimate or overestimate the actual cost shown by the graph for the school year ending in 2014?

c. Use the formula to project the average cost of tuition and fees at private U.S. colleges for the school year ending in 2020.

Transcribed Image Text:

Tuition and Fees $33,000 $31,000 $29,000 $27,000 $25,000 $23,000 $21,000 $19,000 $17,000 $15,000 15,518 Average Cost of Tuition and Fees at Private Four-Year U.S. Colleges 17,272 21,235 19,710" -26,273.. 23,712" 29,056 ***** ... ***** www. ***** ¨31,701" ***** www. 2000 2002 2004 2006 2008 2010 2012 2014 End of the School Year ..... T www. ..... ..... www. ......