Respuesta :

Answer:

(-∞ , -3) ∪ (-3 , ∞)

Step-by-step explanation:

when x+3=0 f(x) -> ∞

undefined point: x = -3

solution: x < -3 or x >-3

Interval notation: (-∞ , -3) ∪ (-3 , ∞)

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