Average tuition (including room and board) for all institutions of higher learning in year x can be

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Average tuition (including room and board) for all institutions of higher learning in year x can be approximated by y = 461x + 16,800 dollars, where x = 0 corresponds to 2004, x = 1 corresponds to 2005, and so on.
(a) Approximately what was the average tuition in 2011?
(b) Assuming that the formula continues to hold, when will the average tuition exceed $25,000?
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Finite Mathematics and Its Applications

ISBN: 978-0134768632

12th edition

Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair

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