Find the surface area of the portion of the bowl z=8-2²-² that lies above the plane z = 4. When setting up this problem, use polar coordinates and use symmetry to keep your integration variables in the first quadrant. Don't forget the Jacobian, because dA ‡ drdo. S=4[ 18 dr de Evaluate the integral. Give an exact answer or at least 3 sig figs.

I painted a picture that is 4 inches longer than it is wide. If I put a I-inch frame around my picture, the area increases by 48 square inches. What are the dimensions of my picture?