Respuesta :

sqdancefan

Answer:

  D.  y = f(x/-1)

Step-by-step explanation:

The function f(x) is reflected across the y-axis to make the red graph. Such a reflection is accomplished by a horizontal scale factor of -1.

For some horizontal scale factor k, the transformed function is ...

  y = f(x/k)

Here, we have k = -1, so the transformed function is ...

  y = f(x/-1)

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