Question

How do you find the vertex of `f(x)=3(x-9)^2+4`?

Answer 1

The vertex is `(9, 4)`.

Explanation:

`f(x)=3(x-9)^2+4` is in vertex form, which is `f(x)=a(x-h)^2+k`, where `h=9, and k=4`. The vertex is `(h, k)`, which is `(9, 4)`.