A cold front is approaching UST campus in such a way that if the temperature is T (t) degrees Fahrenheit t hours after midnight, then T (t) = 0.1 ( 400 – 40 t + t2² ), find the average rate of change of T (t) with respect to t between 4:00 am to 6:00 am. F° - 3 hr (A) F° - 3.2 hr F° 2.8 hr (D F° 3 hr

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