PLEASE HELP ASAP!!!! WILL MARK BRAINLIEST
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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)