You and your friends go running. The graph shows the distance you and your friend run. a.) who runs at a constant rate? How do you know?
___ run(s) at a constant rate because ___.

b.) Find the domain of each function.
The domain of the function representing your run is ___. The domain of the function representing your friends run is ___.

Describe the domains using the context of the problem.
The domains indicate that ___.

^ I have no idea how to do this, please help.