The math teacher's role has transitioned to being a mediator of knowledge, guiding students in the learning process.
The correct alternative is:
C) Deixou de ser o único detentor do saber e passou a ser um mediador do conhecimento.
Traditionally, the role of the math teacher has evolved from being the sole holder of knowledge to becoming a facilitator or mediator of knowledge. This shift emphasizes the importance of guiding students in their learning process rather than simply providing answers.
https://brainly.com/question/38058558