New PMP Question & Answers with explanation

There is a heavy demand for new houses in your city's expensive neighborhood. RECON, a construction company, has employed you as a project manager to assess the benefit of building new energy-efficient houses in that neighborhood, even though it takes more expensive technology to build such houses. You have started gathering data to perform a detailed payback analysis to submit a report to your management. Since the full financial impact of building energy-efficient houses is difficult to estimate, you would like to prepare a rough costbenefit analysis and include it with the report. Which of the following describes the effort you are undertaking in this scenario?
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You have presented a unique and verifiable product to your customers for their approval. Approval of this product may allow you to move on to your next phase. This unique and verifiable product is also known as:
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Which of the following is not an enterprise environmental factor influencing the Develop Project Management Plan process?
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A project manager is performing a set of processes in the Initiating Process Group. Which of the following is likely to be part of the Initiating Process Group?
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Why are the approved change requests input to the Direct and Manage Project Work process?
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