Respuesta :

The general equation of the quadratic function is:

[tex]f(x)=a(x-h)^2+k[/tex]

Where: the vertex will be = (h, k)

Given for problem 9:

[tex]f(x)=2(x-3)^2+1[/tex]

compare to the general form

so, h = 3, k =1

So, the coordinates of the vertex = (3, 1)