What is this function written in vertex form?
The image shows a geometric representation of the
function f(x) = x2 - 2x - 6 written in standard form.
Of(x) = (x-1)2 - 7
Of(x) = (x +1)2-7
Of(x) = (x-1)2-5
O f(x) = (x +1)2-5