Dive into a comprehensive review of functions in this 2.5-hour tutorial. Explore the fundamental concepts of functions, starting with their definition and moving through various examples and notations. Learn about function domains, graph basics, and arithmetic operations with functions. Delve into more advanced topics such as function composition and inverses, with practical examples provided. Gain a solid understanding of exponential functions, including their definition and properties. Finally, master logarithms by studying their definition, properties, change of base formula, and working through illustrative examples. Strengthen your precalculus foundation with this in-depth exploration of functions.