Domain and range of a square root graph is [0, ∞) and [0, ∞) respectively.
Domain of a function:
The domain of a function is the set of input values (x) for which it produces an output value.
Range of a function:
The set of all output values of a function.
Like if we consider a function [tex]y = f(x)[/tex]
then input inside function that is x is know as domain of function
output of function that is y is known as range of function.
First we write square root function as y = [tex]\sqrt{x}[/tex]
So inside root negative numbers are not allowed so value of x should be positive numbers means x>=0.
So domain of square root function [0, ∞).
Output of square root function is always positive so range of square root function is also [0,∞).
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