Answer:
The correct option is 3.
Step-by-step explanation:
The given inequality is
[tex]3x<3[/tex]
Divide both sides by 3.
[tex]\frac{3x}{3}<\frac{3}{3}[/tex]
[tex]x<1[/tex]
It means the value of x must be less than 1. It can be written as
{x | x < 1}
Therefore the correct option is 3.