Respuesta :

lesiaj
Question #1:
Vertex form is y=a(x-h)^2+k
Vertex is (h,k)
So (h,k) is (4,0)
Plug that in and you get:
y= (x-4)^2

Question #2:
3x+1 = 49
3x= 48
x= 16

Sorry, I’m not sure about #3
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