Master Functions in 40 Minutes: Essential Study Guide

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 jensenmath.ca
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📚 Great for high school students reviewing functions or anyone looking for a clear, step-by-step explanation.

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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