document.write( "Question 910378: Give the domain of the function using interval notation.: y=2/(√(9-x^2)). \n" ); document.write( "
Algebra.Com's Answer #552449 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "denominator cannot be equal to zero and it will be if \"9-x%5E2=0\"; so, find vales of \"x\" that make it equal to zero: \r
\n" ); document.write( "\n" ); document.write( "\"9-x%5E2=0\" => \"9=x%5E2\" => \"sqrt%289%29=x\" => \"x=3\" or \"x=-3\"; exclude these values and\r
\n" ); document.write( "\n" ); document.write( "domain is:\r
\n" ); document.write( "\n" ); document.write( "{ \"x\" element \"R\" : \"-3%3Cx%3C3\" }\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "{ \"x\" element \"R\" : \"-3%3C%3Ex\" or \"x%3C%3E3\" }
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