Which option represents a deliverable? spiral method
project creep
rapid prototyping
requirements document

The answer to this question is given below in the explanation section.

Explanation:

The correct option for this question is requirements document.

The term deliverable in the project represents any quantifiable good and service that must be delivered to completion to the project.  The requirement document represents deliverable. In the requirement document, you can specifically represent deliverables that would be achieved upon completion of the project.

However, other options are not correct because the spiral method is a type of software development methodology for developing software projects and rapid prototyping is a type of prototyping to build a prototype of a product rapidly to make requirements clear and concise to enter into the market. While project creep in project management refers to  changes, continuous or uncontrolled growth in a project’s scope, at any point after the project begins

it can either be 2. or 4. : ) tell me if i'm wrong or right