One model for the minimum hourly wage in the United States for the period 19792014 is y

Question:

One model for the minimum hourly wage in the United States for the period 1979–2014 is

y = 0.128x - 250.43,

where x represents the year and y represents the wage, in dollars. (Source: Bureau of Labor Statistics.) The actual 2008 minimum wage was $6.55. What does this model predict as the wage? What is the difference between the actual wage and the predicted wage?

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