Domains of Rational and Radical Functions

Rational Function Dividing by $x$

A graph of the equation: $f(x)= \frac{\left(x^2-2\right)}{x}$ . To determine the domain of this function, we can graph it and look for where the function doesn't exist, in this case when $x=0$ .

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"Original figure by Julien Coyne. Licensed CC BY-SA 4.0."

Julien Coyne CC BY-SA 3.0.

Domains of Rational and Radical Functions

Rational Function Dividing by xxx

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Rational Function Dividing by $x$