Determine the vertex of the function f (x) = 2 (x - 4) 2 + 5.

(-4,5)

(4,5)

(5, - 4)

(5, 4)

(4, 5).

Step-by-step explanation:

Compare it with the general form:

f (x) = a (x - b) ^2 + c where the vertex is (b, c).

f (x) = 2 (x - 4) ^2 + 5.

Here b = 4 and c = 5 so the vertex is;

(4, 5).