Please answer each of these questions to the best of your ability. You are welcome to re-watch parts of any of the videos to help you.

Suppose is a linear function of . Let represent the change in the value of and let
represent the change in the value of . Which of the following graphs could represent
the relationship between and provided .

Sophia is going to compete in two legs, running and biking, of a local mini
triathlon. The running begins at the shoreline of the ocean and heads due
north on Ocean Avenue. After she runs 5k she transitions to her bicycle and
continues due north on Ocean Avenue for another 20k. She bikes faster than
she runs. Assuming that Sophia was always heading due north, which of
the following graphs more accurately represents the relationship between
Sophia’s distance from transition and the total distance Sophia has traveled.