Question

AYUDAAAA!
ME EXPLICAN???​

Answer 1

1, (3, ∞) ; {x >3}

2. [2, 5) ; { 2 ≤ x <5}

3, (∞, 1] U (4, ∞) ; { x ≤ 1 // x > 4}

4, [ - 2,2) ; { - 2 ≤ x < 4}

........ Kd