The height of a ball in meters after it has been hit, is modeled by h = -8x^2 + 48x, where x is the time in seconds after it is hit and h is the time in feet. Sketch a graph and find:

how long is the ball in the air?

What is its maximum height?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field