A can is made in the shape of a right circular cylinder and is to

hold one pint. (For dry goods, one pint is equal to 33:6 cubic inches.)

(a) Find an expression for the volume V of the can in terms of the height h and the base

radius r.

(b) Find an expression for the surface area S of the can in terms of the height h and the

base radius r. (Hint: The top and bottom of the can are circles of radius r and the side

of the can is really just a rectangle that has been bent into a cylinder.)

(c) Using the fact that V = 33:6, write S as a function of r and state its applied domain.

(d) Use your graphing calculator to nd the dimensions of the can which has minimal surface

area.