document.write( "Question 994995: Domain of f(x)= x^2/x^2+12 \n" ); document.write( "
Algebra.Com's Answer #613872 by Boreal(15235)\"\" \"About 
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x^2/(x^2 + 12)
\n" ); document.write( "Domain of x is all reals.
\n" ); document.write( "x^2 will always be positive, and the denominator will never be 0, so all choices of x will work.
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