Respuesta :

Answer:

[tex](-\infty ,\infty)[/tex]

[tex]y\in \mathbb{R}[/tex]

Step-by-step explanation:

[tex]$y=3-\frac{x}{3} $[/tex]

The domain is all Real numbers.

The range is all Real numbers.

Once it is a linear an equation and there's no restriction for x, both domain and range will be all Real numbers.

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