How to add two functions

The video tutorial introduces function notation and its similarity to polynomials. It defines two functions, F(x) and G(x), and demonstrates how to perform operations on them, specifically addition. The tutorial explains the process of evaluating F + G of X, emphasizing the importance of parentheses and combining like terms. The session concludes with a summary of the addition process and its basic principles.

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