Final answer:
The Olmec-style mask found at Templo Mayor in Tenochtitlan, created by the Aztecs, was ritually buried beneath Templo Mayor as an offering to the gods.
Step-by-step explanation:
The function of the Olmec-style mask found at Templo Mayor in Tenochtitlan, created by the Aztecs in 1400 C.E. and made of jadeite, was 2) It was ritually buried beneath Templo Mayor by the Aztecs as an offering to the gods.