Question: 1 2 / 0 2 : 0 6 If the sinusoidal function for the air quality index is f ( t ) = 5 4

12/02: 06 If the sinusoidal function for the air quality index is f ( t )=54 sin (2\pi 16( t +3))+104 f(t)=54sin(162\pi (t+3))+104. In the next 20 hours, for how many hours will the index be above 100

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