document.write( "Question 316502: Find all numbers for which the raional expression is undefined.\r
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\n" ); document.write( "\n" ); document.write( "I really appreicate the help. Thank you
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Algebra.Com's Answer #226411 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
The expression is undefined when the denominator goes to zero since division by zero is undefined.
\n" ); document.write( "\"t%5E2-16=0\"
\n" ); document.write( "\"t%5E2=16\"
\n" ); document.write( "\"t=0+%2B-+4\"
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