Please do not skip any step, I'd appreciate it very much, please leave the whole explanation as my goal is to understand these questions, if you can do that I will thank you with a super high rating

3. Determine the vertex of f(x) = 3x2 - 12x + 7 by completing the square. 13 4. Determine the equation of a parabola in standard form that passes through the point (-2, 6) and has roots v 3 and - V 3. 14 5a) Demonstrate two methods for determining the vertex of f (x) = 3x2 - 18x + 24. Note: x = - - CANNOT be used as one of these methods. /6 2a METHOD 1 METHOD 2