A rectangular field is to have an area of 500 sq m.
a) write the perimeter, P, of the field as a function of the width, w.
b) find the domain of the function in part a.
c) use a graphing calculator to sketch the graph of the function in part a.
d) describe what the graph found in a part c tells you about how the perimeter of the field varies with the width
2 answers