1.  Enter the left side of the inequality into Y₁.
2.  Enter the right side of the inequality into Y₂.
3.  Enter the inequality into Y₃ using the inequality symbols found under 2nd MATH (TEST).  Remember the Y₁ and Y₂ are found under Vars →Y-VARS, #1Function. 
4.  Hit GRAPH.

Just as we saw in Linear Inequalities, a small bar appears representing the graph of the value 1, showing where the inequality is true.  In this case, the inequality is true for  2 < x < 5.  To determine the "exact" values for the endpoints, use the INTERSECT option (2nd TRACE (CALC) #5 intersect) with Y₁ and Y₂.

Looking at the table shows that the Y₃ values alternate between being a 0 (false) and a 1 (true).
(Arrow to the right to "see" the column for Y₃.

Remember that < will not "include" the endpoints.

1.  Enter the left side of the inequality into Y₁.
2.  Enter the right side of the inequality into Y₂.
3.  Enter the inequality into Y₃ using the inequality symbols found under 2nd MATH (TEST).  Remember the Y₁ and Y₂ are found under Vars →Y-VARS, #1Function. 
4.  Hit GRAPH.

The small bars appear representing the graph of the value 1, showing where the inequality is true.

Use the INTERSECT option (2nd TRACE (CALC) #5 intersect) with Y₁ and Y₂ to determine the exact values of the endpoints of the bars.

 This inequality is true for