The domain of a function are input values for which a function exists while the range of a function is the output values for which the given functions exists
The domain of a function are input values for which a function exists while the range of a function is the output values for which the given functions exist;
For example;
The domains are all the values of x for which the function exists. Since the function can exist for all real values, hence we say that the domain is on all real values.
The range are all the values of y for which the function exists. Since the function can exist for all real values, hence we say that the range is on all real values.
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