In this video examples of different types of functions are reviewed, including power functions, exponential functions, trigonometric functions, and polynomial functions. The plots of these functions are also discussed to help remember their shapes. The importance of knowing these functions is emphasized, as they will be used frequently in problem-solving. The video covers the definitions and characteristics of each function type, providing examples and graphs to illustrate their properties. By the end of the video, viewers should have a solid understanding of these fundamental mathematical concepts and how they are applied in various contexts.