How Do You Know When To Use Brackets Or Parentheses Interval Notation. A parenthesis is used when the point or value is not included in the interval, and a bracket is used when the value is included. How do you know when to use parentheses or brackets?
A parenthesis is used when the point or value is not included in the interval, and a bracket is used when the value is included. Parentheses and/or brackets are used to show whether the endpoints are excluded or included. As an inequality, the domain is written.
Introduction to Inequalities and Interval Notation
≥ to include the endpoint of the interval. This is a commonly asked question in class, this video has the answers. How do you use brackets in linear inequalities? Domain of f (x)=√x is [0,∞) (√0=0 is a number.)
