Mastering the Rules for Determining Horizontal Asymptotes in Functions

Horizontal Asymptote Rules

If m>n: NO HAIf m=n: HA = co-eff of m/co-eff of nIf m

When examining the behavior of a function at its extremes, it can be helpful to identify any horizontal asymptotes that may exist. Here are the most important rules to follow when determining horizontal asymptotes:

1. Degree Rule: If the degree of the numerator is less than the degree of the denominator, then the horizontal asymptote is y = 0.

2. Coefficient Rule: If the degree of the numerator is equal to the degree of the denominator, then the horizontal asymptote is y = the ratio of the leading coefficients.

3. Division Rule: If the degree of the numerator is greater than the degree of the denominator by exactly one, then the horizontal asymptote is y = 0.

4. No Asymptote Rule: If the degree of the numerator is greater than the degree of the denominator by more than one, then there is no horizontal asymptote.

It is important to note that these rules are not always applicable for every situation. However, they can provide a good starting point for identifying horizontal asymptotes and understanding the behavior of a function as x approaches infinity or negative infinity.

More Answers:
Understanding the Intermediate Value Theorem: Applications in Math and Engineering
The Importance of the Extreme Value Theorem in Calculus: Ensuring Maximum and Minimum Values on Closed Intervals
Unlocking Function Behavior with the Mean Value Theorem – A Key Concept in Calculus

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