Find (f+ g) (x)
F(x) = 1/x
g(x) = x^2 + 2x -5
A.1/x - x^2 - 2x + 5
B. 1/x + x^2 + 2x - 5
C. x^2 + 2x -5 - 1/x
D. 1/x + x^2 - 5
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