Eenra

For a typical basketball shot, the ball's height in feet will be a function of time in flight in seconds, modeled by an equation such as h = -16t^2 + 40t + 6. Find when the shot might reach the height of the basket which is 10 feet.

If 550 m of fencing is available to build five adjacent pens, as shown in the diagram on the left, express the total area A of the pens as a function of x. What value of x will minimize the total area? What is the maximum area?

Here is the layout, _ _ __ _ _ | | | | | | |_|_|__|_|_| Height is x and width is y