Find the rational number between 3 7 and 2 7

- Find three rational number between 3 7 and 2 7
- Find five rational number between 2 7 and 3 7
- Find four rational number between 2 7 and 3 7
- Find six rational number between 2 7 and 3 7
- Find 5 rational number between 2 7 and 3 7
- Find the domain of each rational expression
- Find the domain of the following rational function