Explanation
Backward tracing of a requirement is called its derivation, as the requirements may be derived from other older requirements.
Answer B is incorrect. Lineage tracking is not a valid term, so this choice is not valid.
Answer A is incorrect. Allocation is the forward tracking of a requirement to future requirements in the set of
requirements.
Answer D is incorrect. Backwards pass isn't a valid requirements tracing term; it describes a process in
schedule management.

The purpose of focus groups is "to elicit ideas and opinions about a specific product, service, or opportunity in an interactive group environment. The participants, guided by a moderator, share their impressions, preferences, and needs."

Explanation
Prioritization of requirements is used to make certain that analysis and implementation efforts focus on the most critical requirements. The requirement prioritization process ranks the requirements by importance. It is a decision process. This process is used for determining the relative importance of requirements. These priorities determine which requirements should be targets for further analysis.
Answer C is incorrect. Requirements prioritization does not rank the requirements by the stakeholders, but by
the needs of the stakeholders and the requirements that are most important to satisfy those needs.
Answer A is incorrect. Requirements prioritization does not rank the requirements according to the cost and
schedule, but by importance.
Answer B is incorrect. Requirements prioritization does not rank the requirements on a weighted scale; this
isn't a valid statement.

Explanation
Risk and rewards analysis is not, of itself, an input to the business analysis approach process.
Answer D, B, and A are incorrect. Following are the inputs in the plan business analysis approach:
Business need
Expert judgment
Organizational process assets