Ben is climbing a tree with a lot of branches. His height off the ground at time t is t^2-5t+29 feet. To the nearest foot, what will his minimum height be?
He reaches a min height in 5/(2*1) = 2.5 s
So the min height is
(2.5)^2 - 5(2.5) + 29 = 22.75 ft = 23 ft
