1)For what values of x is the graph of y=e^-x^2 concave down?

I am not sure how to go about doing this problem, so please, any advice or steps on how to complete the problem will be much appreciated.

-M

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- Dec 5th 2007, 09:42 AMblurainFinding Values of x
1)For what values of x is the graph of y=e^-x^2 concave down?

I am not sure how to go about doing this problem, so please, any advice or steps on how to complete the problem will be much appreciated.

-M - Dec 5th 2007, 09:44 AMcolby2152
- Dec 5th 2007, 10:01 AMblurain
I'm not sure how to find the derivative of y=e^-x^2?

- Dec 5th 2007, 11:50 AMcolby2152