Learn how to find the domain of a radical function

The video tutorial explains the concept of square roots and why they cannot be taken from negative numbers. It demonstrates solving inequalities involving square roots and discusses the domain of functions with square roots. The tutorial also covers how the presence of square roots in denominators affects the domain of a function.

Discuss the implications of having a negative number under a square root in a function.

Can the value of five be included in the solution set for T? Why or why not?