1.

If f(x) is continuous such that abs(f(x)) le 1, forall x in R " and " g(x)=(e^(f(x))-e^(-abs(f(x))))/(e^(f(x))+e^(-abs(f(x)))), then range of g(x) is

Answer»

`[0,1]`
`[0, (E ^(2)+1)/(e ^(2)-1)]`
`[0, (e ^(2)-1)/(e ^(2)+1)]`
`[ (e ^(2)+1)/(e ^(2)+1),0]`

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