Elena starts to walk home from school, but has to turn around and go back because she left something in her locker. On her way back home (the
second time), she runs into her friend who invites her to the library to do
homework with her. She stays at the library and then heads home to do her
chores. Determine:
• Which graph its Elena's story.
What are the two quantities?
• Which quantity is a function of which?