The function \[f(x)=1-{{e}^{-{{x}^{2}}/2}}\] is [AMU 1999]

1.	The function \[f(x)=1-{{e}^{-{{x}^{2}}/2}}\] is [AMU 1999]
A.	Decreasing for all x
B.	Increasing for all x
C.	Decreasing for \[x<0\] and increasing for \[x>0\]
D.	Increasing for \[x<0\] and decreasing for \[x>0\]
Answer» D. Increasing for \[x<0\] and decreasing for \[x>0\]

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The function \[f(x)=1-{{e}^{-{{x}^{2}}/2}}\] is [AMU 1999]

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