document.write( "Question 1207693: Find a and b.\r
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\n" ); document.write( "\n" ); document.write( "If 2 < x < 4, then a < 1/(x - 6) < b. \n" ); document.write( "
Algebra.Com's Answer #845702 by Edwin McCravy(20060)\"\" \"About 
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document.write( "2 < x < 4\r\n" );
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document.write( "Substitute the greatest lower bound of x, which is 2  1/(2-6) = -1/4 \r\n" );
document.write( "and the least upper bound of x, which is 4.   1/(4-6) = -1/2\r\n" );
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document.write( "Since 1/(x-6) is continuous and decreasing for x < 6, it's approaching -1/2 from\r\n" );
document.write( "below as x approaches 4 from the left, and approaching -1/4 as x approaches 2\r\n" );
document.write( "from the right,  \r\n" );
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document.write( "-1/2 < 1/(x - 6) < -1/4 \r\n" );
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document.write( "Edwin
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