Respuesta :

mhanifa

Answer:

  • See below

Step-by-step explanation:

Graph 1

Shaded part is between -2 and 4, open dots

  • -2 < x < 4

Graph 2

Shaded parts, left to -3, open dot and right to 3, closed dot

  • x < -3 and x ≥ 3

Graph 3

Shaded parts, left to -15, closed dot and right to 8, closed dot

  • x ≤ - 15 and x ≥ 8

Graph 4

Shaded part is between 0 and 20, closed and open dots

  • 0 ≤ x < 20