1. A net enclosure for practising golf shots is open begs 5sq 1 90 at one end, as shown. Find the dimensions that munimule sdi Tohim minimize the amount of netting and that give a ball gods employ volume of 144 m3. (Netting is required only on Ishisism the sides, the top, and the far end.) X 2. Application: Mark will make an open rectangular box with a square base from two different materials. The material for the bottom costs $3/m2. The material for the sides costs $2/m . Find the dimensions of the box with the maximum volume that Mark can make for $120. 3. The volume of a rectangular box will be 15 m . The box has a square base and top. The material for the base costs $7.50/m . The material for the top costs $2.50/m2 and for the sides $4.50/m2. Find the dimensions that will minimize the cost of materials for the box