document.write( "Question 481581: How do i know if f(x)=2/x-2 is a linear function \n" ); document.write( "
Algebra.Com's Answer #329755 by Alan3354(69443)\"\" \"About 
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If the ratio of the change in f(x) to the change in x is constant, it's linear.
\n" ); document.write( "The graph is a straight line --> linear.\r
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