The gradient of a linear function can be calculated from its rule, derived from a table of values, determined using two points, or found using rise over run on a graph. Below are four methods that can ...

In this part you do not have to sketch the graph and you may even be given the sketch of the graph to start with. For a quadratic equation of the form \(y = k{(x - a)^2} + b\), the following ...

This is an interesting class of functions, but not nearly interesting enough for calculus purposes. While I do spend lots of time pushing the idea of linear approximations on my students ...