document.write( "Question 38251: find (f . g)(x) and (g . f)(x) for each function
\n" ); document.write( "f(x)=-6x+9, g(x)=5x+7\r
\n" ); document.write( "\n" ); document.write( "f(x)=4x^2+2x+8, g(x)= x+5\r
\n" ); document.write( "\n" ); document.write( "f(x)=2/x^4, g(x)=2square root x+2\r
\n" ); document.write( "\n" ); document.write( "f(x)=8x+12, g(x)=3x-1\r
\n" ); document.write( "\n" ); document.write( "f(x)=5x+3, g(x)=-x^2+4x+3\r
\n" ); document.write( "\n" ); document.write( "f(x)=1/x, g(x)=8x^2-6
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Algebra.Com's Answer #23732 by lyra(94)\"\" \"About 
You can put this solution on YOUR website!
PLEASE ONLY PUT one QUESTION IN EACH SUBMISSION!!!\r
\n" ); document.write( "\n" ); document.write( "I will solve the first one, then try the rest on your own, if you have queries after that e-mail them AND your work to me at alexusbandona@yahoo.com\r
\n" ); document.write( "\n" ); document.write( "find (f . g)(x) and (g . f)(x) for each function
\n" ); document.write( "\"f%28x%29=-6x%2B9\", \"g%28x%29=5x%2B7\"
\n" ); document.write( "if for f \"x=+5x%2B7\" then:
\n" ); document.write( "\"f%285x%2B7%29=-6%285x%2B7%29%2B9\"
\n" ); document.write( "\"f%285x%2B7%29=-30x-42%2B9\"
\n" ); document.write( "\"f%285x%2B7%29=-30x-33\"\r
\n" ); document.write( "\n" ); document.write( "Hope this helps and feel free to contact me with further questions,
\n" ); document.write( "lyra
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