You are asked to build an open cylindrical can (i.e. no top) that will hold 171.5 cubic inches. To do this, you will cut its bottom from a square of metal and form its curved side by bending a rectangular sheet f metal. (b) Find A '(r) = (a) Express the total amount of material required for the square and the rectangle in terms of r. A(r) = 27 (c) Find the non-zero critical point of A(r). r= -Select-- v h

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