document.write( "Question 683953: what is the domain function of
\n" ); document.write( "g(x)= 1/ (x+5) (x-1)\r
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Algebra.Com's Answer #423832 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "g(x)= \"1%2F%28%28x%2B5%29+%28x-1%29%29\"\r\n" );
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document.write( "We just have to leave out the values on the x-axis \r\n" );
document.write( "where there are vertical asymptotes:\r\n" );
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document.write( "That is where the denominator = 0\r\n" );
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document.write( "(x + 5)(x - 1) = 0\r\n" );
document.write( "x+5 = 0  x - 1 = 0\r\n" );
document.write( "  x = -5     x = 1\r\n" );
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document.write( "The graph is below. Notice that the function does not use \r\n" );
document.write( "the values of x where there are vertical asymptotes (where \r\n" );
document.write( "the green lines, the asymptotes cross the x-axis\r\n" );
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document.write( "  \r\n" );
document.write( "<=========o=================o===========>\r\n" );
document.write( "-8 -7 -6 -5 -4 -3 -2 -1  0  1  2  3  4\r\n" );
document.write( "Notice this number line representing the domain.\r\n" );
document.write( "Compare it to the x-axis above. It is just like it!\r\n" );
document.write( "Its interval notation is\r\n" );
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document.write( "        \"%28matrix%281%2C3%2C-infinity%2C%22%2C%22%2C-5%29%29\"\"U\"\"%28matrix%281%2C3%2C-5%2C%22%2C%22%2C1%29%29\"\"U\"\"%28matrix%281%2C3%2C1%2C%22%2C%22%2Cinfinity%29%29+\"\r\n" );
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document.write( "That's the domain.\r\n" );
document.write( "Edwin
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