Which function has a vertex at (2, -9)?
O FOC) = -(x – 3)2
Of(a) = (x + 3)2
O f(x) = (x - 5)(x + 1)
O f(x) = -(0 - 1)(x - 5)

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