Respuesta :

Answer:

y = x for x ≥ 0 and y = - x for x < 0

Step-by-step explanation:

The absolute value function is written as y = |x| and it is defined as following

|x| = x when, x ≥ 0 and |x| = - x when, x < 0.

Therefore, the equations for the domain of x ≥ 0 is y = x

and the equation for the domain of x < 0 is  y = - x (Answer)

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