document.write( "Question 844674: What is the domain of the function f(x) = 2x/(x2 - 9)? Give your answer in interval notation, using INF for infinity. \n" ); document.write( "
Algebra.Com's Answer #508870 by josgarithmetic(39621)\"\" \"About 
You can put this solution on YOUR website!
Do you mean, \"f%28x%29+=+2x%2F%28x%5E2+-+9%29\"?\r
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\n" ); document.write( "\n" ); document.write( "The domain has a restriction, that \"x%5E2-9%3C%3E0\" because the denominator must not be zero. Solve this for x, and find \"x%3C%3E3\" and \"x%3C%3E-3\".
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