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f(X) = x/{1+|x|} is

A) strictly increasing

B) strictly decreasing

C) neither inc nor dec

D) none

6 years ago


Answers : (1)


answer: A

solution: f1 (x) = 1⁄(1+|x|)

f1(x)>0 hence f(x) is a strictly increasing function

6 years ago

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