Question 316766
The equation is in vertex form, {{{y=a(x-h)^2+k}}} where (h,k) is the vertex.
{{{f(x)=(1/10)(x-9)^2}}}
Comparing,
(h,k)=(9,0)
.
.
.
{{{graph(300,300,-2,15,-2,15,(1/10)*(x-9)^2)}}}