I. e. , the square root function domain is [0, ∞).


Note that it includes 0 as well in the domain.


In general, the square root of a number can be either positive or negative.


I. e. , √25 = 5.


Webdetermine the domain of functions worked example:


Determining domain word problem (real numbers) worked example:


Determining domain word problem (positive integers)


Webthe sequence of graphs in figure 2 also help us identify the domain and range of the square root function.


In figure 2 (a), the parabola opens outward indefinitely, both left. Readers interested in this topic may also find value in our analysis of ด หนง Bourne 3timeline Groups, which provides a thorough examination of the key concepts discussed here.