document.write( "Question 1098757: Find the instantaneous rate of change of f(x)=x^2-2/x+4 at x=-1\r
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Algebra.Com's Answer #713139 by Alan3354(69443)\"\" \"About 
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f(x)=x^2-2/x+4
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\n" ); document.write( "Is it x^2 - (2/x) + 4 ?
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\n" ); document.write( "Use some
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