Since 1985, the average annual cost y (in dollars) for tuition and fees at a public two-year colleges in the United States has increased about 6.5% per year. In 1985, tuition and fees were an average of $584 per year.
a. Write an equation to model the cost of two-year colleges. Predict the average annual cost for 2015.
b. Predict the average annual cost for the year you plan to graduate from high school.
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