Chapter 4 - An Introduction to Functions - 4-1 Using Graphs to Relate Two Quantities - Practice and Problem-Solving Exercises - Page 239: 20

Because Person C is not walking, the distance that Person C moves in the same amount of time as Person B and Person A will be less because they are both walking. Thus, Person C will have a more gradual slope as depicted in the graph.

Because Person C is not walking, the distance that Person C moves in the same amount of time as Person B and Person A will be less because they are both walking. Thus, Person C will have a more gradual slope as depicted in the graph.