The function f (t) = -16t2 – 48t + 160 models the approximate height of an object t
seconds after it is launched. How many
seconds will it take for the object to hit the
ground? (A. SSE.3 and A. REI.4)
Round to a whole number
What’s the answer ?

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