Question

The function f(x) = log(1 + x) - 2x/(2 + x) is increasing on

(A) (0, ∞) 

(B) (−∞, 0) 

(C) (−∞, ∞) 

(D) None of these

Answer 1

Answer is (A) (0, ∞)

Hence, f(x) is increasing on (0, ∞).