Express the edge length of a cube as a function of the cube's diagonal length d. Then express the surface area and volume of the cube as a function of the diagonal length. A function for the edge length of a cube is L(d) = (Type an exact answer, using radicals as needed.)
A function for the surface area of a cube is Ald) = (Type an exact answer, using radicals as needed.)
A function for the volume of a cube is V(d) = (Type an exact answer, using radicals as needed.)