document.write( "Question 1199849: Find the domain of f(x) = (x-3)/(x^2-3x-4) \n" ); document.write( "

Algebra.Com's Answer #833820 by ikleyn(53764) $\"\"$ $\"About$

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document.write( "The domain is the set of all real numbers, except of zeroes of the quadratic polynomial in the denominator \r\n" );
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document.write( "(which are 4 and -1 and can be found by factoring\r\n" );
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document.write( "    x^2-3x-4 = (x-4)*(x+1) ).\r\n" );
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