New PMP Question & Answers with explanation

During a status meeting, one of the client's employees asks the project manager for a new product feature. The project manager is unsure who has the authority to approve this request. To what document should the project manager first refer?
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The client agreed to the final product during user testing, but is now having second thoughts. What should the project manager consult to resolve this issue?
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A project manager reviewing the issue log notices that activities assigned to certain team members are significantly behind schedule. What should the project manager do?
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The day before manufacturing is to start, a project manager learns that the engineering design was not accepted by the end user. What should the project manager do?
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A team member is eager to add new features being considered by the customer to the project deliverable. Before beginning work on these new features, whose approval is required?
Select one