Multiply a radical function by the reciprocal function to determine the domain

The video tutorial covers the multiplication of functions F(x) and G(x), focusing on how to handle radicals and rational expressions. It explains the process of determining domain restrictions, graphing domains, and finding their intersection. The tutorial emphasizes the importance of combining domains when performing operations like addition, subtraction, and multiplication, and clarifies that external factors like coefficients do not affect the domain of a radical function.

Explain how to combine the domains when adding, subtracting, or multiplying functions.

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What is the significance of the values under the radical in determining the domain?

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