The domain of the rational function in discuss as in the task content is the set of all real number values.
<h3>What is the domain of a rational expression?</h3>
The domain of a rational function or expression is the set of all real values of x, except for that/those which render the function or expression undefined as the case may be.
However, in this scenario, the denominator of the rational function is constant and hence all X-values render the expression defined.
Ultimately, the domain of the expression is the set of all real number values of x.
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