document.write( "Question 767674: f(x)=3x+1 and g(x)=x+2 :
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Algebra.Com's Answer #467753 by rothauserc(4718) $\"\"$ $\"About$

You can put this solution on YOUR website!
(f+g(x)) = f(x) + g(x) = 3x+1 + x+2 = 4x+3
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