Final answer:
The function of the Battle of Isis of Alexander and the Persians mosaic was to depict Alexander as victorious and brave while representing Darius as unorganized and scared. The option (3) is correct.
Step-by-step explanation:
The function of the Battle of Isis of Alexander and the Persians mosaic was to depict Alexander as victorious and brave while representing Darius as unorganized and scared. The mosaic, which is a Roman floor mosaic from 100 BCE, portrays the Battle of Issus between the troops of Alexander the Great and King Darius III of Persia.
Through the use of detail, perspective, and foreshortening, the mosaic conveys Alexander's leadership and control in the midst of a chaotic battle, while also showcasing the fear and disarray of the Persian forces. Therefore, option (3) is correct.