Can someone help me answer this, it's about Functions. It'll be a great help! Thank you!

C. Mang Isko wants to build a fence for his chickens. He plans to use two walls as the two sides of the fence and has a total of 6 meters of fencing materials to complete the enclosure. 8. What should the length of the rectangular region be in order to maximize the area? 9. What is the maximum area that can be enclosed