document.write( "Question 783530: Find the specified domain\r
\n" ); document.write( "\n" ); document.write( "For f(x)=2x-5 and g(x)=√(x+6), what is the domain of f o g?\r
\n" ); document.write( "\n" ); document.write( "This is how I worked it out but I am not sure this is correct.\r
\n" ); document.write( "\n" ); document.write( "f(g(x))=2√(x+6)-5\r
\n" ); document.write( "\n" ); document.write( "x+6=0
\n" ); document.write( "x=-6\r
\n" ); document.write( "\n" ); document.write( "Domain= (-∞, -6)∪(-6, ∞)
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Algebra.Com's Answer #476816 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Nope. Your domain is all real numbers except for -6. Let's try -7: -7 + 6 = -1. But the radicand has to be non-negative. So:\r
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\n" ); document.write( "\n" ); document.write( "Therefore \r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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