Math Question

Question 20
5 pts
The temperature of the water in an aquarium is regulated so that it cycles regularly between 26 and 30 degrees Celsius over the course of each 24 hours. The equation that models the temperature of the water is \( y=2 \sin \left(\frac{\pi}{12} x\right)+28 \). What does the number 2 represent in the context of the problem?
The temperature rises by 2 degrees Celsius and then falls by 3 degrees Celsius every 12 hours.
The temperature rises and falls 2 times each cycle.
The difference between the average temperature and the maximum temperature of the water is 2 degrees Celsius.
The temperature begins to rise 2 hours after the cycle begins.



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