F(x) = 2x and G(x) = x^2 + 2
(G - F)(x) just means we subtract the functions from each other.
x^2 + 2 - 2x
Let's rearrange the expression
x^2 - 2x + 2
All we need to do is subtract both functions.
~Reorder
Therefore, the answre is D.
Best of Luck!
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