The table below shows data from a study relating a man's age to the average number of miles he can cover on foot in one hour. Age 18 25 32 39 46 53 60 67 74 Miles 5.8 5.6 5.6 5.3 4.1 4.2 3.4 2.8 2.1 Use a graphing calculator to find a line of best fit for these data. Round to four decimal places.

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