A company is developing a new risk management system. The company expects the system to evolve in the near future due to changing government regulations. Which approach will better cope with the requirements' volatility?

During user acceptance testing, a defect is logged by a user from a department that did not participate in the requirements analysis. To avoid this situation and minimize impact on the project, the user should have been:

In order to reduce product and project risk for a large, complex project, a business analyst is asked to help develop a change process that includes formal authorization and tracking throughout the life cycle of the project. The business analyst needs a capability that will help ensure that the product conforms to approved requirements, changes can be documented, and the status of each change can be reported.
What should the business analyst use?

During a requirements workshop, sponsors and managers from different departments express varying points of view and priorities about the product's functions and requirements. The business analyst struggles with facilitating the group to reach an agreement.
What should the business analyst have defined to avoid this?

A business analyst is working on a project to update the user interface for a legacy procurement system. An end user raises concerns that the new solution will not support their core business processes.
How could the business analyst address the end user's concerns about the new interface?