How to find the domain of a rational function

One of the most important skills that students need to learn is How to find the domain of a rational function.

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3.9: Rational Functions

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Finding Domain: Rational Function

Find the domain of the rational function {eq}f (x) = \frac {4} {x^2 + 3x - 4} {/eq} in interval notation. Step 1: The denominator of a function is the bottom number or equation of a

Rational Function

Domain of Rational Function The domain of a rational function is the set of all x-values that the function can take. To find the domain of a rational function y = f (x): Set the denominator ≠ 0

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