DariosI

Verified answer

1)ОДЗ:
10-5х>0
5x<10
x<2
x∈(-∞: 2)
2) ОДЗ:
9-x²>0
(3-x)(3+x)>0
(x-3)(x+3)<0
x∈(-3: 3)
3)
x-4>0
x>4
x∈(4: +∞)
4)
x²-16>0
(x-4)(x+4)>0
x∈(-∞:4)∨(4: +∞)