document.write( "Question 972690: A spherical balloon is inflated, and its diameter as a function of time is given by d(t) = t + 2 . Which of the following represents the surface area of the balloon. \n" ); document.write( "
Algebra.Com's Answer #594947 by Alan3354(69443)\"\" \"About 
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\n" ); document.write( "Surface area of a sphere = \"4pi%2Ar%5E2\"
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