The vertex form of a quadratic function is f(x) = a(x - h)2 + k. What is the vertex of each function? Match
function rule with the coordinates of its vertex
f(x) = 9(x - 5)2 + 6
Which coordinate matches the vertex ?

d

step-by-step explanation:

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.

i believe that the answer is

b. y-1=-2(x-4)

hope this !