at 6:00 a. m., the temperature is 58°. At 2:00 p. m., temperature is 76°. Find the rate of change in degrees per hour during this time.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters