Respuesta :

solluna2745

Answer:

Boi

Step-by-step ex:

amna04352

Answer:

Option 4

Step-by-step explanation:

x - 4 is negative for x < 4

Mod makes it positive,

-(x - 4) = 4 - x

4 - x for x < 4,

x - 4 for other x values (which are greater than/equal to 4)