A page with dimensions of (17/2) inches by 11 inches has a border of uniform width x surrounding the printed matter of the page.
(a) Write a formula for the area A of the printed part of the page as a function of the width x of the border.
(b) Give the domain and range of the area A.
(c) Find the area of the printed page for borders of widths 1 inch, 1.2 inches and 1.5 inches.