D. x is greater than or equal to -8
Step-by-step explanation:
The inequality given by the problem is:

In order to solve it, we must do the following steps:
- Multiply by 4 on both sides of the inequality:

- Change the sign of both sides: when doing this step, we must reverse the sign of the inequality:

So, the correct option is
D. x is greater than or equal to -8