The temperature in Minsk was recorded over a period of four hours. The equation y= -5x + 54 describe the temperature over this time, where y is the temperature in degrees Fahrenheit and x is the number of hours since measurements started. Which of the following statements correctly describe the temperature? A.) it was -5 degrees Fahrenheit after 4 hours, and it is rising by 54 degrees per hour
B.) It was 54 degrees Fahrenheit after 4 hours, and it is dropping by 5 degrees per hour
C.) it was -5 degrees Fahrenheit when the temperature was first measured, and is rising by 54 degrees per hour
D.) it was 54 degrees Fahrenheit when the temperature was first measured, and it is dropping by 5 degrees per hour