The profit the park earns from the daily train rides is based on the number of passengers, x . The profit each day, P , is represented by the function P ( x ) = 1.50 x − 25

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