Which statement about reduced thrust is correct?

Question

ATPL - Airline Transport Pilot license - Performance - Which statement about reduced thrust is correct?

QuizVDS · Accepted Answer

Reduced thrust can be used when the actual take-off mass is less than the field length limited take-off mass

QuizVDS · Answer

Reduced thrust is primarily a noise abatement procedure

QuizVDS · Answer

In case of reduced thrust V1 should be decreased

QuizVDS · Answer

Reduced thrust is used in order to save fuel

ATPL: Which statement about reduced thrust is correct?