EC > GATE 2020 > Mathematics
A superadditive function f(·) satisfies the following property
f(x1+x2)≥ f(x1)+f(x2)
Which of the following functions is a superadditive function for x>1?
f(x1+x2)≥ f(x1)+f(x2)
Which of the following functions is a superadditive function for x>1?
Correct : a
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