Concavity, local max and min help

[jessicafanfan]

Hello

I have attached this image of a problem I have. I got some parts of it right but have no idea how to do the rest...

Any help is appreciated!!

 

[ksdhart2]

Hello

I have attached this image of a problem I have. I got some parts of it right but have no idea how to do the rest...

Any help is appreciated!!

Unfortunately, whatever image you tried to attach didn't upload properly, as there's no image here. Perhaps you can try again? Or else maybe type out the problem manually?