In this video, we break down the Top 10 Things You Must Know About Functions — a complete guide to one of the most important concepts in high school math. You’ll learn: - What a function is and how to use function notation - How to find the domain and range - The basics of inverse functions and how they work - Transformations of functions and what they look like on a graph - Key features of common function graphs - Even and odd functions and how to recognize them - Piecewise functions and how to graph them - How to work with composite functions - Combinations of functions (adding, subtracting, multiplying, dividing) - What asymptotes are and why they matter Functions are at the heart of algebra, calculus, and beyond. Mastering these 10 essentials will give you a strong foundation for success in high school math and help prepare you for more advanced topics. 🔗 Free resources, practice problems, and more lessons are available at . 📚 Great for high school students reviewing functions or anyone looking for a clear, step-by-step explanation. Be sure to like, subscribe, and keep learning with JensenMath! 0:00 What is a Function 5:21 Domain and Range 9:58 Graphs of Common Functions 13:54 Transformations 18:30 Inverse Functions 22:08 Combining Functions 22:53 Composite Functions 28:28 Piecewise Functions 30:42 Even and Odd Functions 35:17 Asymptotes