15 The temperature inside of a storage building in degrees Fahrenheit can be modeled using the equation 4 pts A F t 8 3 cos 57 t 63 7 where t is the number of hours since midnight t 0 a At what temperature is the building at midnight Justify how you arrived at your answer Find min 8 3 cos 0 63 7 1 1 tegn 6 7 2 b How many hours after midnight does it take for the temperature to first reach its maximum value Justify how you arrived at you answer Need P 1 7 X 8 3 8 3 55 4 72 55 4 2 72