document.write( "Question 511526: find all numbers for which the rational expression is undefined.
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\n" ); document.write( " 1
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\n" ); document.write( " 9y+4 \n" ); document.write( "

Algebra.Com's Answer #342245 by oberobic(2304) $\"\"$ $\"About$

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y = -4/9 results in the denominator being = 0.
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