Modules Announcements Discussions D Question 11 Grades Assign A billboard designer has decided that a sign should have 2-ft margins at the top and bottom and 5-ft margins on the left and right sides. Furthermore, the billboard should have a total area of 700 ft2 (including the margins). If a denotes the width (in feet) of the billboard, find a function in the 1.3 variable x giving the area of the printed region of the billboard. 710 - 2x - 3500 O 720 - 4 + 3500 O 740 - 4x 7000 720 - 2 - 7000 O 740 - 10x 2800 T