Composite functions are made when the output from one function is used as the input of another function. The names of the functions are written next to each other, with the function that is used first ...

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 ...

Determining the equation of a straight line Function notation The equation of a straight line can be worked out using coordinates and the gradient, and vice versa.