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2. Average temperature (in Fahrenheit) for a city in the mountains of North Carolina varies according to the equation: f (x) = 46 + 45cos(. 5(x - 6)), where x is in months. The average temperature in February (x=2) was actually recorded one year to be 34 degrees Fahrenheit. Compute the residual for the month of February and interpret this value in the context of the problem. Show all work for full credit