Understanding the Composition of Two Functions Teacher Explains

The video tutorial introduces the concept of function composition, explaining its notation and how it differs from basic operations like addition, subtraction, multiplication, and division. The instructor demonstrates how to evaluate functions with various inputs, including numbers, variables, and expressions. The tutorial further explores applying function composition in different scenarios and solving related problems, emphasizing the importance of understanding the input-output relationship in functions.

What new insight or understanding did you gain from this video?