3-2-4-1 Formation Role Adaptability: Adjusting to Opponents, In-Game Changes, Tactical Flexibility

What is the 3-2-4-1 formation in football?

How can players adapt their roles in the 3-2-4-1 formation?

How do you adjust the 3-2-4-1 formation against different opponents?

What in-game changes can be made to the 3-2-4-1 formation?