What is the primary function of motorcycle mirrors?

Answer: D — Show traffic closer than it actually is

The primary function of motorcycle mirrors is to enhance the rider's ability to see what is behind and beside them effectively. Mirrors are designed to provide a view of traffic that is coming up closely from behind, enabling the rider to make informed decisions about lane changes and other maneuvers. The choice that indicates showing traffic closer than it actually is aligns with the nature of wide-angle mirrors, which can provide a wider field of view but may also create a perception of distance that can differ from reality. Being aware of how distance is perceived in mirrors is crucial for safe riding. Understanding that objects in the mirror may appear closer helps riders to approach maneuvers with the caution needed to maintain safety on the road.