The function gives the estimated surface water temperature , in degrees Celsius, of a body of water on the th day of the year, where . Based on the model, which of the following statements is true?
The estimated surface water temperature increases by 0.16 degrees Celsius each day.
The estimated surface water temperature decreases by 0.16 degrees Celsius each day.
The estimated surface water temperature is 55.20 degrees Celsius on day 220.
The estimated surface water temperature is 0 degrees Celsius on day 0.16.