document.write( "Question 412237: If f(x) equal negative xto the second power minus 9 what is f(3)? \n" ); document.write( "
Algebra.Com's Answer #289586 by rfer(16322)\"\" \"About 
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f(x)=-x^2-9
\n" ); document.write( "f(3)=-3^2-9
\n" ); document.write( "f(3)=9-9
\n" ); document.write( "f(3)=0
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