- #1

## Main Question or Discussion Point

Hi guys,

I am new in this forum and really hope that somebody can help me.

I would like to show that the following function in concave of convex so I need to calculate the second derivative of Q(t) :

Q(t)=Integral[upper=T; Lower=0]{tF(t)q(p-st)}dt

I am new in this forum and really hope that somebody can help me.

I would like to show that the following function in concave of convex so I need to calculate the second derivative of Q(t) :

Q(t)=Integral[upper=T; Lower=0]{tF(t)q(p-st)}dt