The function represents the temperature in degrees Celsius, which is 5 degrees less than 2 times the number of hours after midnight. If is graphed in the -plane, what is the best interpretation of the -intercept?
When the temperature is 0 degrees Celsius, it is 2.5 hours after midnight.
When it is midnight, the temperature is -5 degrees Celsius.
The temperature decreases by 5 degrees Celsius every 2 hours.
For every 1-hour increase after midnight, the temperature increases by 2 degrees Celsius.
