d. 6+-3
The ideal and recommended development team size should be 6+-3. Development Team size should be chosen very wisely as it can directly hamper the productivity of the team thereby impacting the product delivery.
The Development Team should not be very large as it might require a lot of coordination amongst the team members. However, for a very small team, it would be very difficult to have all the skills required to deliver an Increment. Thus, an optimal number should be chosen for the Development Team Size.
