What is the congressional function in which congress monitors federal agency performance and holds hearings to inquire about agency policies?

The congressional function that involves monitoring federal agency performance and holding hearings to inquire about agency policies is called oversight. This process allows Congress to ensure that agencies are effectively implementing laws and using federal resources appropriately. Through oversight, Congress can investigate issues, assess agency operations, and hold hearings to gather information and provide accountability. This function is essential for maintaining checks and balances within the federal government.