Respuesta :

Answer:

y = x - 1

Step-by-step explanation:

y = x - 1 is the parent function of y = 2(x - 1)2 + 4 before it was moved 4 units, stretched by 2, etc.

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Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather