The equation y=(-16t-2)(t-1) represents the height in feet of a beach ball thrown by a child as a function of time, t, in seconds. Find or approximate the time when the beach ball hits the ground.

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