If f1(x) is O(g(x)) and f2(x) is o(g(x)), then f1(x) + f2(x) is?

1.	If f₁(x) is O(g(x)) and f₂(x) is o(g(x)), then f₁(x) + f₂(x) is?
A.	O(g(x))
B.	o(g(x))
C.	O(g(x)) + o(g(x))
D.	None of the mentioned
Answer» B. o(g(x))

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