document.write( "Question 171292: I need some help on how to do a certain problem:\r \n" );
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document.write( "Find the function of \n" );
document.write( " x y \n" );
document.write( " 1 2 \n" );
document.write( " 2 4 \n" );
document.write( " 3 8 \n" );
document.write( " 4 16 \n" );
document.write( " 5 32 \n" );
document.write( " 6 64 \n" );
document.write( " 7 128 \r \n" );
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document.write( "I tried figuring this out for an hour but \n" );
document.write( "cannot get it. I was making up possible functions \n" );
document.write( "but that didn't work either. Thanks in advance!\r \n" );
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