In 1997, the cost of tuition at a large Midwestern university was $178 per credit hour. In 2005, tuition had risen to $274 per credit hour. Determine a linear equation to represent the cost, C, of tuition as a function of x, the number of years since 1990. (Assuming the cost increases by the same amount each year.) Linear Equation: In the year 2012, tuition will be $____ per credit hour. In the year____ , tuition will be $442 per credit hour

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