Abstract
Covariation involves focusing on how variables or quantities vary together. This paper describes a systematic literature review that aims to analyze recent research on the covariational approach to functions and the possibilities of digital technologies to support this approach. Data were collected on Periodicos Capes and Eric databases, resulting in 26 studies, 11 involving digital technologies. The results showed: cognitive processes and learning difficulties associated with covariational reasoning; specificities of the epistemology of each function; didactic influences on the covariational approach, from curriculum to task design and teachers' knowledge; and finally, aspects of digital technologies that can support or limit covariational reasoning.
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