This topic covers an introduction to functions. This series of three lessons introduces the student to a definition of a function. Many definitions related to functions are given.
This topic also covers whether a given graph represents a function or a relationship between two variables.
This lesson introduces the student to functions. The instruction defines the domain and range of a function, as well. Then, the student learns the definition for function. They also learn that relationships between numbers that are not functions are called relations.
In this lesson the student learns the standard f(x) notation for a function. They also learn the terms independent and dependent variable.
In this lesson, the student learns about the vertical line test. The lesson explains that the vertical line test is used to determine whether a graph of a two variable relationship is a function or is just a relation.