Relax

Respuesta :

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Answer:

  A:  y = 5x

Step-by-step explanation:

The constant of proportionality is the coefficient of x.

Here, the coefficients are ...

  A: 5

  B: 2

  C: 1/5

  D: 1/2

The one that has a constant of proportionality equal to 5 is ...

  A: y = 5x