Final answer:
The best first question for a Scrum Master to ask when forming teams for a new product development is "How can we organize ourselves to deliver a potentially releasable product increment?" as it is aligned with Scrum principles.
Step-by-step explanation:
When you are the Scrum Master of a new to be developed product and development is going to require 45 people, the most suitable first question to suggest the group thinks about when forming into teams would likely be option c) "How can we organize ourselves to deliver a potentially releasable product increment?" This question aligns with the principles of Scrum, which focus on creating cross-functional teams that work collaboratively in iterative cycles to deliver value. It concentrates on organising the workflow, building a team structure that can handle the demands of the project, and sets the foundation for how the team will deliver increments of the product. Questions about the Project Manager, detailed plans for the entire project, or who will be responsible for each task, while important later on, are not as critical at the initial stage as establishing a framework for agile product delivery.