document.write( "Question 192418: So consider the rational function defined f(x)=(x^2-9)/(x+3). For what value of x does the graph exhibit a \"hole\"? \n" ); document.write( "
Algebra.Com's Answer #144443 by edjones(8007)\"\" \"About 
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f(x)=(x^2-9)/(x+3)
\n" ); document.write( "x=-3 because division by zero is not allowed.
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