document.write( "Question 1005107: Use second differences to show that the function f(x)=3x^-1 is quadratic \n" ); document.write( "
Algebra.Com's Answer #621444 by Alan3354(69443)\"\" \"About 
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f(x)=3x^-1
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\n" ); document.write( "f(x)=3/x is not quadratic.
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