UNIT 5 FINAL EXAM (2024)

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What is a rational function?

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What is a horizontal asymptote?

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A horizontal asymptote is a horizontal line that the graph of a function approaches as x approaches infinity or negative infinity.

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How do you find the horizontal asymptote of a rational function?

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What is the process for simplifying a rational expression?

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To simplify a rational expression, factor both the numerator and the denominator, cancel any common factors, and rewrite the expression.

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What is the significance of finding a common denominator in rational expressions?

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Finding a common denominator allows you to combine or compare fractions by ensuring that they have the same base, making addition, subtraction, or comparison possible.

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What is the formula for the sum of two rational functions?

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What is the difference between a vertical asymptote and a horizontal asymptote?

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A vertical asymptote is a vertical line that the graph approaches as x approaches a certain value, while a horizontal asymptote is a horizontal line that the graph approaches as x approaches infinity or negative infinity.

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How do you determine the vertical asymptotes of a rational function?

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