The temperature , in degrees Celsius, of a cooling liquid hours after it is removed from a heat source is modeled by the function . Which of the following is the best interpretation of the number 75 in this context?
The liquid cools by 75 degrees Celsius per hour.
The liquid reaches 75 degrees Celsius after 1 hour.
The initial temperature of the liquid was 75 degrees Celsius.
The liquid will cool for a maximum of 75 hours.
