@article{Sanabria Brenes_2020, title={Use of Continuity in solving inequalities: Uso de la Continuidad en la resoluciĆ³n de inecuaciones}, volume={21}, url={https://revistas.tec.ac.cr/index.php/matematica/article/view/5343}, DOI={10.18845/rdmei.v21i1.5343}, abstractNote={<p>In general, in a usual Differential Calculus course, it is required to solve a series of<span lang="es-cr"> </span>inequalities, mainly in applications of the derivative, to determine the monotony or concavity of a<span lang="es-cr"> </span>function. However, although continuity is studied prior to referral, continuity is rarely used to resolve<span lang="es-cr"> </span>inequalities. The present work outlines a way to make use of continuity in solving inequalities: the<span lang="es-cr"> </span>analytical method.</p>}, number={1}, journal={Mathematics, Education and Internet Journal}, author={Sanabria Brenes, Giovanni}, year={2020}, month={Sep.} }