A roast turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 75°F. The graph shows how the temperature of the turkey decreases and gradually approaches room temperature. T (°F) 200 100 P 0 0 30 60 90 120 150 t (min) By measuring the slope of the tangent, estimate the rate of change of the temperature after an hour (in °F/min). (Round your answer to one decimal place.) °F/min

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