peytonf55555 peytonf55555 28-02-2022 Mathematics contestada Using the completing the square method, find the vertex of the function f(x) = -2X² + 12x + 5 and indicate whether it is a minimum or a maximum and at what point Maximum at (-3,5) O Minimum at (-3,5) O Maximum at (3, 23) O Minimum at (3, 23)