document.write( "Question 596788: Find all the numbers for which the rational expression is undefined.\r
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Algebra.Com's Answer #377873 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The domain of a rational function is the set of all real numbers for which the function is defined. A rational function is UNdefined wherever the denominator is equal to zero. Set the denominator equal to zero and solve. The domain is the set of all real numbers excluding those values that make the denominator zero.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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