A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

Learn about graphing absolute value equations. An absolute value equation is an equation having the absolute value sign and the value of the equation is always positive. The graph of the parent ...

In this video, we provide essential "math help" by explaining how to "graph" functions, beginning with a basic cosine wave and then moving on to a piecewise function. This "math tutorial" demonstrates ...