document.write( "Question 1022220: how do you solve for the domain of f(x) = x/radical 9-x^2 ? Please provide steps. \n" ); document.write( "

Algebra.Com's Answer #637958 by macston(5194) $\"\"$ $\"About$

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The domain is all possible x with a corresponding y.
\n" ); document.write( "Division by zero is not permitted, so:
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\n" ); document.write( " $\"f%28x%29=x%2Fsqrt%289-x%5E2%29\"$
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\n" ); document.write( "Domain is all real except when $\"sqrt%289-x%5E2%29=0\"$
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\n" ); document.write( " $\"9-x%5E2%3C%3E0\"$
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\n" ); document.write( " $\"-x%5E2%3C%3E-9\"$
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\n" ); document.write( " $\"x%5E2%3C%3E9\"$
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\n" ); document.write( " $\"x%3C%3E3\"$ $\"and\"$ $\"x%3C%3E-3\"$
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\n" ); document.write( "Domain is all real numbers except +/- 3. \n" ); document.write( "

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