document.write( "Question 169494: middle school algebra- what is the definition for natural domain as it relates to formulas and functions. thanx..... \n" ); document.write( "
Algebra.Com's Answer #125464 by midwood_trail(310)\"\" \"About 
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A domain is a number or numbers that can be safely used in a function that do not create a zero. \r
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\n" ); document.write( "\n" ); document.write( "What is the domain of y = 1/x?\r
\n" ); document.write( "\n" ); document.write( "The domain is:\r
\n" ); document.write( "\n" ); document.write( "ALL REAL NUMBERS except that x cannot = 0.\r
\n" ); document.write( "\n" ); document.write( "Because if x = 0, it creates division by zero, which does not exist.\r
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