Question 1, HW Score: 48%, E Homework: 4.5 4.5.16 2.4 of 5 points Optimization Part 1 of 2 x Points: 0 of Save a. A rectangular pen is built with one side against a barn. If 1100 m of Question list K fencing are used for the other three sides of the pen, what dimensions maximize the area of the pen? b. A rancher plans to make four Barn x Question 1 identical and adjacent rectangular pens against a barn, each with an 225 225 225 225 area of 225 m (see figure). What O Question 2 are the dimensions of each pen that minimize the amount of fence that must be used? Question 3 a. To maximize the area of the pen, the sides perpendicular to the barn should be m long and the side parallel to the barn should be m Question 4 long. (Type exact answers, using radicals as needed.) Question 5