A friend plans to use 80 feet of fencing to surround three sides of a rectangular vegetable garden. The fourth side of the vegetable garden is bordered by a wall.
a. Write a function that models the area A of the vegetable garden in square feet when the length of the fence parallel to the wall is x feet.
b. For what lengths x is the area of the vegetable garden greater than 350 square feet?
c. For what lengths x is the area of the vegetable garden greater than 750 square feet?
d. Is it possible for the fence to enclose an area greater than 900 square feet? Explain.
