document.write( "Question 823701: Find functions f and g so that f of g = H
\n" ); document.write( "H (x)= square root of x^2+4
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Algebra.Com's Answer #495721 by math-vortex(648)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi, there--\r\n" );
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document.write( "Sometimes there is more than one solution to these. Basically, you work backwards.\r\n" );
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document.write( "H(x) = sqrt(x^2 + 4) = f(g(x)) \r\n" );
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document.write( "f(g(x)) = sqrt(g(x))\r\n" );
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document.write( "f(x) = sqrt(x)\r\n" );
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document.write( "g(x) = x^2 + 4\r\n" );
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document.write( "Hope this helps!\r\n" );
document.write( "Mrs. Figgy\r\n" );
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