Define Operations of Function Notation

The video tutorial covers the evaluation and operations of functions, focusing on how to substitute values and variables into functions, simplify expressions, and understand the impact of operations on the domain. It includes examples of evaluating functions with different inputs, including integers and variables, and explains the importance of parentheses in avoiding mistakes. The tutorial also introduces operations on functions, such as addition, subtraction, multiplication, division, and composition, emphasizing the need to consider domain restrictions.

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