SOLUTION: According to U.S. Department of Education statistics, in the year 1998, tuition at a public four-year college averaged $7,397 per year and increased at an average rate of $628 per

Question 315403: According to U.S. Department of Education statistics, in the year 1998, tuition at a public four-year college averaged $7,397 per year and increased at an average rate of $628 per year over the next several years.
a.)Model this situation by a linear equation. Explain what your variables mean.
b.)Use the equation to estimate the yearly tuition at a four-year public college in the year 2011. Briefly explain how you solved this problem.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
According to U.S. Department of Education statistics, in the year 1998, tuition at a public four-year college averaged $7,397 per year and increased at an average rate of $628 per year over the next several years.
a.)Model this situation by a linear equation. Explain what your variables mean.
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A(t) = 628t + 7397 where t is the number of years after 1998
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b.)Use the equation to estimate the yearly tuition at a four-year public college in the year 2011.
A(13) = 628(13) + 7297 = 15461
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Briefly explain how you solved this problem.
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Cheers,
Stan H.
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