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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

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```										answer: A
solution: f1 (x) = 1⁄(1+|x|)2
f1(x)>0 hence f(x) is a strictly increasing function
```
6 years ago

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