document.write( "Question 365786: Given the function f(x) = 2- x , evaluate and simplify the following expression\r
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Algebra.Com's Answer #260720 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
-f(x) = -(2-x) = -2+x = x-2,
\n" ); document.write( "f(3x) - 1 = 2-3x-1 = 1-3x.
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