To sketch a quadratic function you must first determine the roots, nature and coordinates of the turning point and the y-intercept. Practice sketching a quadratic function ahead of your National 5 ...

A function is a way of describing what happens to an input variable, in order to get the output result. \(\text{Input} \rightarrow \text{FUNCTION} \rightarrow \text{Output}\) If we think of a simple ...

Functions is an important concept in mathematics to grasp. These sites, blogs and videos do an excellent job of explaining it visually and offer all these videos and more resources for free. Hope this ...