- The composition of functions, denoted as (fog)(x) = f(g(x)), allows us to plug g(x) into f(x)
- (fog)(x) is calculated by plugging g(x) into f(x), while (gof)(x) is calculated by plugging f(x) into g(x).
- Examples of composition of functions with specific values are given, demonstrating the process and providing answers.
- The inverse function undoes what the original function does, where x and y swap places.
- The symbol f^(-1)(x) represents the inverse function of f(x), and the process for finding the inverse function is explained with an example.
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