A function is a rule that is applied to one set of values to give another set of values. A function can be illustrated on a graph – points are plotted as coordinates and joined by either a straight ...

Of five major content areas covered in math classes — numbers and operations, measurement, geometry, data and statistics, and algebra and functions — teachers are putting a bigger emphasis ...

This study is an attempt to analyze students' construction of function based problem solving methods in introductory algebra. It claims that for functions to be a main concept for learning school ...