### Home > AC > Chapter 1 > Lesson 1.1.2 > Problem 1-9

1-9.

In the graph below, points A, B, and C represent three different students.

Which student is oldest? Explain how you decided.

For this question, height does not matter.

C has the largest

-value (age).What can you say about student B compared to students A and C? Tell as much as you can and justify your statements.

B is shorter and older than A, but younger and the same height as C.