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1. Cost of Tuition In 2000, the average cost of tuition and fees at private four-year colleges was $16,200, and in 2005 it was $20,100. Sketch a line that passes through the points (2000, 16200) and (2005, 20100). (Source: The College Board.) 2. Rate of Change in Tuition Calculate the slope of the line in your graph. Interpret this slope as a rate of change. 3. Modeling Tuition Find the slope–intercept form of the line in your sketch. What is the y-intercept and does it have meaning in this situation? 4. Predicting Tuition Use your equation to estimate tuition and fees in 2001 and compare it t

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