Answer the following questions:
1. What is the difference between a functional requirement and a non-functional requirement? Provide an example of each.
2. Explain why non-functional requirements may be more important than functional requirements. Provide an example.
3. Why is Requirements Elicitation a critical part of the software engineering process?
4. Why is the process of eliciting requirements often a difficult process?
5. Identify and explain the two fundamental approaches to requirements elicitation.