F (x) = 2x - 1 and g (x) = x2 - 3x - 2, find (f + g) (x)

A. (f + g) (x) = x2 - x - 3

B. (f + g) (x) = x - 3

C. (f + g) (x) = - x - 3

D. (f + g) (x) = x2 + 5x + 3

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