Editor
If $f(x)=x^{3}-2x^{2}+4x-1$ then f(1+x)=
Difficulty: Easy
A: 
$x^{3}-x^{2}+2x+3$
B: 
$x^{3}-3x+2x+3$
C: 
$x^{3}+x^{2}+3x+2$
D: 
$2x^{3}-2x^{2}-7x+4$
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