Composing two functions

The video tutorial explains the importance of understanding different types of notation, particularly focusing on the composition of functions, denoted as F of G of X. It clarifies that the open circle symbol is not multiplication but represents function composition. The tutorial provides examples using specific functions, such as the square root of X and X squared, to demonstrate how to plug one function into another. It also discusses the concept of inverse functions, highlighting how the square root and squaring are inverses. The video concludes with tips on mastering function composition.

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