2. Learning Objectives:
At the end of the session, students
should be able to:
1.define functions and relations;
2.relate the concepts of functions in real
life situations; and
3.participate in the class actively.
19. C. GRAPHING
VERTICAL LINE TEST
(Pencil Test)
If any vertical line passes through more
than one point of the graph, then that
relation is not a function.
Imagine yourself that you were working in a gasoline station and you need to load two different engines. One is a truck and one is a car. Which engine would you load its tank firsts in order for them to finish almost at the same time.