The function \[\frac{1}{1+{{x}^{2}}}\]is decreasing in the interval

1.	The function \[\frac{1}{1+{{x}^{2}}}\]is decreasing in the interval
A.	\[(-\infty ,\,-1]\]
B.	\[(-\infty ,\,0]\]
C.	\[[1,\infty )\]
D.	\[(0,\infty )\]
Answer» E.

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The function \[\frac{1}{1+{{x}^{2}}}\]is decreasing in the interval

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