Which phase of the agile approach focuses on delivering a functional piece of the software to the user?

The correct answer is focused on the Implementation phase of the agile approach, as this is the stage where actual coding takes place and a functional piece of software is developed and delivered to users. This phase emphasizes creating working software that can be demonstrated and reviewed, reflecting the agile principles of continuous delivery and iterative development.

During Implementation, team members collaborate closely, often utilizing feedback from prior stages such as Analysis and Design to ensure that the software being built meets user needs and requirements effectively. This hands-on development effort is crucial because it ultimately leads to the delivery of a product that can be used, tested, and iterated upon in subsequent cycles.

In contrast, the other phases—Design, Testing, and Analysis—are integral to the overall process but do not directly involve the actual delivery of functional software to users. Design outlines how the software will look and function, Testing focuses on verifying that the software works as intended, and Analysis assesses user needs to inform the development process. Each of these plays a vital role, but the Implementation phase is specifically dedicated to producing and delivering functional software.