Subtracting two functions reciprocal so we can find the domain

The video tutorial covers operations with functions, focusing on adding and subtracting them. It reviews subtracting rational expressions, similar to subtracting fractions, and emphasizes finding the least common denominator (LCD). The tutorial explains simplifying expressions using the distributive property and concludes with finding the domain of a function, highlighting the importance of identifying values that make the denominator zero.

What is the process for adding and subtracting functions?

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How do you find the least common denominator (LCD) for two fractions?

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Explain how to identify the multiples of an expression like X + 1.

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Describe the relationship between the least common denominator and the denominators of the fractions being added or subtracted.

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What steps do you take to simplify a rational expression?

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How do you determine the domain of a rational function?

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What values make the denominator of the function equal to zero?

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