How to divide a radical by the reciprocal function to determine the domain

The video tutorial discusses domain restrictions in mathematical functions, focusing on how to express these restrictions using number lines and symbols. It explains the concept of domain in the context of rational and radical functions, and how to determine the domain when multiplying functions. The tutorial also covers the importance of finding common domains when combining functions through addition, subtraction, and multiplication.

How do you determine the domain when multiplying two functions?

What should be considered when combining functions in terms of their domains?