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)     You can put this solution on YOUR website! 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 \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |