Answer:
[tex]\boxed{f(x)=(x-8)^2-6}[/tex]
Step-by-step explanation:
The graph in the attachment is a quadratic function whose vertex is in the fourth quadrant.
The coordinates of a point in the fourth quadrant is of the form [tex](x,-y)[/tex]
Considering the options, the vertex must have coordinates [tex](h,k)=(8,-6)[/tex] and [tex]a=1[/tex].
The quadratic function in vertex form is written as;
[tex]f(x)=a(x-h)^2+k[/tex]
Therefore the equation of the quadratic function is;
[tex]f(x)=(x-8)^2-6[/tex]
The correct answer is option D