document.write( "Question 478559: Graph y=2^x and y=2^-x on a single set of axes. How are the graphs related? \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "The y-axis is the line of symmetry for these graphs\n" ); document.write( "\n" ); document.write( "