Which of the following best describes the function of the requirements baseline?

Which document best provides the boundaries for product development?

A company is developing a new e-commerce platform to enter a new market segment. Development is well under way when the government issues a new set of regulations.
Which course of action should the business analyst take?

The project team has all the document control process and versioning in place to capture the requirements changes. The team ensures that the change is documented in the scope document, resulting in the changed work breakdown schedule (WBS) and schedule. However, a key requirement was not implemented in the release Which is a possible reason why the requirement was not implemented?

A new product was designed and delivered to the customer. The product exceeded customer expectations but did not meet the baseline budget for the product. What could be the issue?