Rational Function Graphs

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What is a rational function?

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What is the domain of a rational function?

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The domain of a rational function is all real numbers except where the denominator is zero.

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What is a vertical asymptote?

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How do you find vertical asymptotes of a rational function?

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Vertical asymptotes can be found by setting the denominator of the rational function equal to zero and solving for x.

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What is a horizontal asymptote?

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How do you determine horizontal asymptotes for rational functions?

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What is the significance of the x-intercept in a rational function?

Back

The x-intercept is the point where the graph crosses the x-axis, found by setting the numerator equal to zero.