Mr. Webb has 16 feet of fencing. He wants to use all of the fencing to enclose a rectangular flower bed. The graph below
shows how the area of the flower bed depends on the length
of one of its sides.
16
14
12
10
Area (square feet)
8
Length (feet)
What side length will give the flower bed the maximum area?
A 16 ft
B 4 ft
8 ft D 2 ft