document.write( "Question 1124273: Find the domain of these functions.
\n" ); document.write( "f(x)=7-x^2
\n" ); document.write( "g(x)=2x+1/x-1
\n" ); document.write( "f(x)=sqrt(x-5)
\n" ); document.write( "g(x)=sqrt(2x^2+3)
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Algebra.Com's Answer #740611 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The domain of any polynomial function with real coefficients is the entire set of real numbers.\r
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\n" ); document.write( "\n" ); document.write( "The domain of any rational function is the set of real numbers excluding any value that would make any denominator equal to zero.\r
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\n" ); document.write( "\n" ); document.write( "The domain of a function containing a radical is the set of real numbers excluding any values that would make the radicand strictly less than zero.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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