4. Writing and Graphing Inequalities
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For inequalities on a number line, what does it mean when a point is open or closed?
g > 2.75 Observing the given inequality, we see that all values of g are greater than 2.75. This means that the solution set lies to the right of 2.75 on a number line. Furthermore, the inequality symbol indicates that g = 2.75 is not a solution, which we will mark with an open circle on the number line at 2.75.