Compose Two Rational Functions then Find the Domain in Interval Notation

The video tutorial covers common mistakes in Algebra 2, focusing on understanding concepts rather than just final answers. It explains function composition, input substitution, and the importance of showing work. The tutorial also delves into simplifying expressions, finding domains, and using reciprocals to eliminate fractions. The instructor emphasizes the distributive property and the process of simplifying complex expressions to determine the domain.

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