Mathematics, 19.08.2021 05:30 stroziercameron

The temperature in a room is controlled by an electronic thermostat. The temperatures vary according to the sinusoidal function: = 6 sin[90( − 11)] + 19, where y is the temperature (°C) and x is the time in hours past midnight. a) What are the maximum and minimum temperatures in the room?

b) At what time does the temperature first hit 13 °C?

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