Lesson: Domain of Rational Functions Mathematics • Third Year of Preparatory School

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In this lesson, we will learn how to identify the domain of a rational function and the common domain of two or more rational functions.

Students will be able to

identify the domain of a rational function in which the denominator is a linear, a quadratic, a cubic, or a higher-degree polynomial,
find the common domain of two or more rational functions,
find unknowns in a function given the domain.

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