I would say all but the first is correct.
Hey guys. I have the following assignment that I should turn in by Friday.
I would appreciate if someone could double check my answers for me and point out my mistakes if there are any.
EDIT: Here is a copy of the original paper.
Yes, that is correct.
Notice that the curve you have labelled F' decreases down to (nearly) zero then increases again, which matches the slope of F. Notice also that the line you have labelled F'' begins negative and increases to become positive, which matches the slope of F'.