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OpenStudy (anonymous):
for what intervals is f(x)=xe^x concave up
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OpenStudy (anonymous):
where the second derivative is positive did you find the second derivative?
OpenStudy (anonymous):
@eliassaab hello! long time
OpenStudy (anonymous):
Hi @satellite73
OpenStudy (anonymous):
would it be xe^x using this product rule and the fact that any derivative of e is itself?
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