I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Learn how to identify the amplitude, period, domain, range and asymptotes of the six trigonometric functions.

A function, 𝑓(𝑥) relates an input and an output. The equation 𝑦 = 𝑥² can be written as the function 𝑓(𝑥) = 𝑥². The notation for a function is 𝑓(𝑥) or 𝑔(𝑥) or ℎ(𝑥) and so on. Sometimes ...