AREA A piece of wire \( 20 \) centimeters long is cut at a point
\( x \) centimeters from the left end. The left-hand piece is formed into the shape of a circle and the right-hand piece is formed into a square. a. Find the area enclosed by the two figures as a function of \( x \) . b. Complete the following table. Round the area to the nearest hundredth of a square centimeter. c. What is the domain of this function?