Answer:
your selection is correct
Explanation:
You can divide by 9 to get ...
| x+4 | ≥ 6
This resolves to two inequalities:
- -6 ≥ x +4 ⇒ -10 ≥ x
- x +4 ≥ 6 ⇒ x ≥ 2
These are disjoint intervals, so the solution set is the union of them:
x ≤ -10 or 2 ≤ x