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As x increased from - infty &nbsp to infty the function...

This question belongs to Engineering Maths Calculus
Calculus
?

As x increased from \[ - \infty \]  to \[\infty \] , the function \[{\rm{f}}\left( {\rm{x}} \right) = \frac{{{{\rm{e}}^{\rm{x}}}}}{{1 + {{\rm{e}}^{\rm{x}}}}}\]

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Correct Answer: Option A
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