document.write( "Question 1065686: Find the rules for the composite functions f ○ g and g ○ f.\r
\n" ); document.write( "\n" ); document.write( "f(x) = 4x^2 + 7x + 7; g(x) = x + 9\r
\n" ); document.write( "\n" ); document.write( "f ○ g= ??\r
\n" ); document.write( "\n" ); document.write( "g ○ f= ??
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Algebra.Com's Answer #680892 by Boreal(15235)\"\" \"About 
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For f o g, put the g in for every x in f
\n" ); document.write( "That would be 4 (x+9)^2+7 (x+9)+7= 4x^2+25x+151
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\n" ); document.write( "For g o f, put the f in for every x in g
\n" ); document.write( "4x^2+7x+7+9=4x^2+7x+16.
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