Learn to write the domain of a rational function with a radical

The video tutorial explains the restrictions on denominators and radicals, focusing on setting the denominator equal to zero using the zero product property. It discusses constraints on real numbers, particularly in relation to radicals, and analyzes the domain and graph of functions with these restrictions. The tutorial emphasizes understanding these concepts to solve equations effectively.

Describe the domain restrictions mentioned in the text.

Why is -1 considered a hole in the graph?