The temperature in Petersburg was recorded over a period of four
hours. The equation y= - 4x +35 describes the temperature over
this time, where y is the temperature in degrees Fahrenheit (°F) and x
is the number of hours since measurements started. Which of the
following statements correctly describes the temperature?
of QUESTIONS
It was -4°F when the temperature was first measured, and it is rising by
35 degrees per hour.
It was -4°F after four hours, and it is rising by 35 degrees per hour.
It was 35°F after four hours, and it is dropping by 4 degrees per hour.
It was 35°F when the temperature was first measured, and it is dropping
by 4 degrees per hour.