Can I get some assistance with solving these two problems. I am unsure on how to solve them. Could you please solve and explain how you got to the final answer. Thank you.

2. Find all critical points of the function Hrs, 15!) = 592?; + 3:2 + y2 23;. Using the Second- Derivative Test, classify each critical point you found. 3. A rectangular box with no top and two parallel partitions, as shown in the diagram, is to he made to hold a volume of 125 cubic inches. Find the dimensions that will require the least amount of material. See gure below. 3\\/