What is the vertex of g(x) = 3x2 − 12x + 7?
A. (−6, −5)
B. (−2, −5)
C. (2, −5)
D. (6, −5)

It would be C

Step-by-step explanation:

(2, -5)

You just to change to vertex form

C)   (2, -5).

Step-by-step explanation:

Convert to vertex form:

3x^2 - 12x + 7

= 3(x^2 - 4x) + 7

Completing the square:

= 3[ (x - 2)^2 - 4)] + 7

= 3(x - 2)^2 - 12 + 7

= 3(x - 2)^2 - 5.

Comparing with the general form

a(x - b)^2 + c  we see that the vertex is (b, c)  =   (2, -5).

i believe that the answer is

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

hope this !

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