A wire 100 centimeters in length is cut into two pieces. One piece is bent to form

Question:

A wire 100 centimeters in length is cut into two pieces. One piece is bent to form a square and the other to form a circle. Let x equal the length of the wire used to form the square.
Figure

(a) Write the function that represents the combined area of the two figures.
(b) Determine the domain of the function.
(c) Find the value(s) of x that yield a maximum area and a minimum area. Explain.