document.write( "Question 1034887: Given that f(x)=|x| and g(x)=2x-4, calculate
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Algebra.Com's Answer #649671 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "f◦g(x)= f(g(x)) = f(2x-4) = |2x-4|\r\n" );
document.write( "g◦f(x)= g(f(x)) = g(|x|) = 2|x|-4\r\n" );
document.write( "f◦f(x)= f(f(x)) = f(|x|) = ||x|| = |x| \r\n" );
document.write( "g◦g(x)= g(g(x)) = 2(2x-4)-4 = 4x-8-4 = 4x-12\r\n" );
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document.write( "Edwin

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