Respuesta :

Answer:

D y = 9/x

Step-by-step explanation:

An inverse variation is of the form

xy = k where k is a constant

We can write this as

y = k/x

The only equation that is of this form is

D y = 9/x

Answer:

[tex]\boxed{\mathrm{Option \: D}}[/tex]

Step-by-step explanation:

Inverse variation is written as:

[tex]y=\frac{k}{x}[/tex]

Where k is the constant of proportionality.

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