document.write( "Question 252531: if f(x) = x + 4 and g(f(x)) = 2x + 1 then g(x)= ?\r
\n" ); document.write( "\n" ); document.write( "a 2x -7 b 8x+3 c 2x+9 d 2x^2 + 5x + 4 e cannot be determined
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Algebra.Com's Answer #184498 by edjones(8007)\"\" \"About 
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f(x) = x + 4 and g(f(x)) = 2x + 1 then g(x)= ?
\n" ); document.write( "2(x+4)=2x+8 so g(x)=2x-7 in order to get 2x+1
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