document.write( "Question 95250: f(x)=x^2-2, then f(x+2)-f(x)=????? \n" ); document.write( "
Algebra.Com's Answer #69349 by stanbon(75887)\"\" \"About 
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f(x)=x^2-2, then f(x+2)-f(x)
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\n" ); document.write( "f(x+2) = (x+2)^2-2
\n" ); document.write( "= x^2+4x+2
\n" ); document.write( "--------
\n" ); document.write( "f(x)=x^2-2
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\n" ); document.write( "Subtract f(x) from f(x+2) to get:
\n" ); document.write( "f(x+2)-f(x) = 4x+4
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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