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# Difference of a Composition

ACTMAT-N1OL5F

If $f(x) = 4x-2$ and $g(x) = 2x - 1$, then which of the following represents $f(g(x)) - g(f(x))$?

A

$1$

B

$-1$

C

$0$

D

$2x - 1$

E

$-2x + 1$