Find the Coordinates of the Points of Inflection for the Function

Multiple Choice

Find the coordinates of the points of inflection for the function.
- $f(x) =6 e^{-x^{2}}$

A) $(-.57,3.64)$ and $(.57,3.64)$
B) $(-.71,3.64)$ and $(.71,3.64)$
C) $(-.71,3.16)$ and $(.71,3.16)$
D) $(-.57,3.16)$ and $(.57,3.16)$