Compose Two Functions and Find the Domain

The video tutorial explains the concept of function composition using J of H of X. It demonstrates how to plug one function into another and simplify the resulting expression. The tutorial also covers finding the domain of the composed function, emphasizing the importance of understanding each component and its impact on the overall function.

How does the JFX function relate to H of X?

What does the expression 1 / (H of X + 3) represent in the context of the problem?