What Does The Open Circle Mean In Math

Math, Grade 6, Equations and Inequalities, Representing An Inequality

What Does The Open Circle Mean In Math. What does circle symbol between two functions means? Web 1 this question already has an answer here :

Math, Grade 6, Equations and Inequalities, Representing An Inequality
Math, Grade 6, Equations and Inequalities, Representing An Inequality

What does circle symbol between two functions means? Web 1 this question already has an answer here :

Web 1 this question already has an answer here : What does circle symbol between two functions means? Web 1 this question already has an answer here :