Respuesta :
Answer:
- x ≥ 15, interval notation x ∈ [15, +∞)
- x < 10, interval notation x ∈ (-∞, 10)
Combined together:
- x ∈ (-∞, 10) ∪ [15, +∞)
- x≥15
- x<10
So
15≤x<10
Interval notation
- [15,10)
Another way
- (-oo,10)U[15,oo)
10 is not included so open bracket