Physics velocity question help.

[butter231]

I've done the other questions but am not sure what to do here http://i.imgur.com/7pIRt0j.jpg

 

[Crake]

I've done the other questions but am not sure what to do here http://i.imgur.com/7pIRt0j.jpg

You need to show some work. Specially in this situation, as this seems to be an online quiz?

Read the "How to ask for help"

 

[Crake]

I'll give you a tip. You know 2 points from your graph.