Friday
September 4, 2015

Homework Help: Calculus

Posted by Andrea on Friday, March 28, 2014 at 7:38pm.

At what interval is e^(-5x^2) concave up?

I know the second derivative is
100x^2*e^-5x^2-10*e^-5x^2

but I just can not figure this one out.
Thank you for your help!

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