Graphing Solutions: Inequality

The video tutorial explains inequalities, their symbols, and how to graph them on a number line. It covers the use of closed and open circles to represent inclusive and exclusive inequalities, respectively. The tutorial includes examples of word problems involving saving money, temperature, and carnival expenses, demonstrating how to graph these scenarios using inequalities.

Describe how to graph the inequality 'T is less than 40 degrees' on a number line.

What does an open circle on a number line indicate when graphing inequalities?