The four inequality symbols are,
![<,>,\leq,and\ge](https://img.qammunity.org/2023/formulas/mathematics/college/7u4xiwnk5895tglx7na0in6h5mtzcz39nj.png)
The example for each one of inequality symbol are,
![x<4](https://img.qammunity.org/2023/formulas/mathematics/high-school/v2bce63d9a6n8z2ctj5gfw8fh1a0e4o75e.png)
In this inequality, possible values of x are less than 4 (not including 4). x can takes all the values that are less than 4.
Second inequality,
![x>4](https://img.qammunity.org/2023/formulas/mathematics/college/n8zbtgwf3csej1ydm6jdd7d4ctpdnq2vvh.png)
In this inequality x takes all the value that are greater than 4 (not including 4). x takes all the values more than 4.
Third inequality,
![x\leq4](https://img.qammunity.org/2023/formulas/mathematics/college/1trsl8xd0d0ehtgg82voouruxwqlteawz2.png)
In this inequality x takes all possible values of x less than 4 but also include 4. x can takes all the value less than or equal to 4. In this x can also be equal to 4.
Fourth inequality,
![x\ge4](https://img.qammunity.org/2023/formulas/mathematics/college/itk8abfuf8hbra8xreohbcx98kvd4bsp2g.png)
In this inequality x takes all possible value that are more than 4 and equal to 4 (It include 4 also). x can takes all values more than or equal to 4. In this inequality x can also be equal to 4.