document.write( "Question 50737This question is from textbook college algebra: An early functions approach
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Help!  PAGE 131 #19\r\n" );
document.write( "Find and simplify the difference quotient:\r\n" );
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document.write( " f(x + h) - f(x)\r\n" );
document.write( "-----------------, h does not = 0\r\n" );
document.write( "        h\r\n" );
document.write( "       \r\n" );
document.write( "for the given formula:\r\n" );
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document.write( "f(x) = 1/x
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Algebra.Com's Answer #33783 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
Help!  PAGE 131 #19\r\n" );
document.write( "Find and simplify the difference quotient:\r\n" );
document.write( "\r\n" );
document.write( " f(x + h) - f(x)\r\n" );
document.write( "-----------------, h does not = 0\r\n" );
document.write( "        h\r\n" );
document.write( "       \r\n" );
document.write( "for the given formula:\r\n" );
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document.write( "        1\r\n" );
document.write( "f(x) = ---\r\n" );
document.write( "        x        \r\n" );
document.write( "               1\r\n" );
document.write( "f(x + h) =  -------\r\n" );
document.write( "             x + h\r\n" );
document.write( "                     1       1        x - (x + h)     x - x - h         \r\n" );
document.write( "f(x + h) - f(x) = ------- - ---  =  -------------- = ----------- =  \r\n" );
document.write( "                   x + h     x         x(x + h)        x(x + h)      \r\n" );
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document.write( "                                                         -h\r\n" );
document.write( "                                                    ------------\r\n" );
document.write( "                                                      x(x + h) \r\n" );
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document.write( "Now divide that by h\r\n" );
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document.write( " f(x + h) - f(x)         -h         h         -h         1\r\n" );
document.write( "----------------- = ------------ ÷ --- = ------------ × --- =  \r\n" );
document.write( "        h             x(x + h)      1      x(x + h)      h\r\n" );
document.write( "\r\n" );
document.write( "      1\r\n" );
document.write( "     -h         1\r\n" );
document.write( "------------ × --- \r\n" );
document.write( "  x(x + h)      h\r\n" );
document.write( "                1\r\n" );
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document.write( "          -1\r\n" );
document.write( "      ----------\r\n" );
document.write( "       x(x + h) \r\n" );
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document.write( "Edwin

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