Question: Use the information given below to write an equation in the form y mx b for the average cost y of a math text book

Use the information given below to write an equation in the

Use the information given below to write an equation in the form y mx b for the average cost y of a math text book x years after 1990 Then use the equation to predict the average cost in 2016 Cost in Dollars 50 40 90 80 60 70 0 46 Average cost of a Math Textbook 4 70 4 5 6 Years after 1990 7

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