4:58 Of LTE Photo Done Talisha Murray 5 A-6/7. You have 1000 meters of fencing and you need to create two adjacent rectangular pens next to a wide building. The side next to the building does not require any fencing. There will be three sections of fencing coming from the building and a wide section of fencing to close the three pens, illustrated in the figure below. You are asked to make the total enclosed area as large as possible. building wall A-6: Identify the function that needs to be optimized. Clearly state any variables that are involved and the relevant domain. A-7: After you have setup the question for A-6, solve the optimization problem. You must clearly show why you believe your answer is optimal. (Note: There is an alternative question if you only wish to do A-7.) + 3