Which of the following diagrams will help you to show all of the function requirements and their groupings in one diagram?

You work as a systems engineer for BlueWell Inc. You are working on translating system requirements into detailed function criteria.

Which of the following diagrams will help you to show all of the function requirements and their groupings in one diagram?
A . Activity diagram
B . Functional flow block diagram (FFBD)
C . Functional hierarchy diagram
D . Timeline analysis diagram

Answer: C