document.write( "Question 264528: A mortar shell is s feet above the ground after t seconds, where s = f(t) = -16t2 + 512t + 64. Find the height of the shell 24 seconds after it is fired. (Simplify the answer as much as possible.)\r
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Algebra.Com's Answer #194747 by Alan3354(69443)\"\" \"About 
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s = f(t) = -16t2 + 512t + 64
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\n" ); document.write( "Sub 24 for t
\n" ); document.write( "s = -16*24^2 + 512*24 + 64
\n" ); document.write( "Add those up.
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