Q. 2 - Precalculus Enhanced with Graphing Utilities

Question

Write $(-2,7]$ using inequality notation.

Step-by-Step Solution

Answer

The inequality notation is $-2<x\le 7$.

Step 1. Given Information

The given inequality is $(-2,7]$.

Step 2. Determine the inequality notation

• In the given interval, the number $-2$ is not included and the number 7 is included.
• So, the given interval can be rewritten as $-2<x\le 7$.