View Interval Notation Examples Background. The interval 2 to 4 includes numbers such as: We can use interval notation to show that a value falls between two endpoints.
In mathematics, a (real) interval is a set of real numbers that contains all real numbers lying between any two numbers of the set.
However, they are not meant to. In mathematics, a (real) interval is a set of real numbers that contains all real numbers lying between any two numbers of the set. For example, the interval of numbers between the integers 3 and 8, excluding 3 and 8, is written as. Express each inequality in interval notation.
