document.write( "Question 1191139: The surface area S and volume V for a can with a top and a bottom are given S=2pi*2^2+2pi*r and V=pi*r^2h, where r us the radius and h is the height. Suppose that a can has a volume of 1 ft^3 \n" );
document.write( "a) Write its height as a function of its radius. \n" );
document.write( "b) Write its radius as a function of its height. \n" );
document.write( "c) Write its surface area as a function of its radius. \n" );
document.write( "
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