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\( \begin{array}{lll}\text { 30. } \lim \frac{e^{2}}{x^{2}}= & \text { B. } 0 & \text { C. } 1 \\ \begin{array}{lll}\text { A. }-e & \text { D. e } & \text { E. The limit does not e }\end{array} \\ \text { alculator Free Response } & & \end{array} \)

Ask by Lawson Schofield. in the United States
Jan 22,2025

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Answer

The limit is 0. **Answer:** **B. 0**

Solution

To evaluate the limit: \[ \lim_{x \to \infty} \frac{e^2}{x^2} \] Let's analyze the behavior of the function as \( x \) approaches infinity. 1. **Numerator (\( e^2 \))**: This is a constant value (\( e \) is Euler's number, approximately 2.71828), so as \( x \) changes, the numerator remains \( e^2 \). 2. **Denominator (\( x^2 \))**: As \( x \) approaches infinity, \( x^2 \) grows without bound (i.e., it becomes very large). Therefore, as \( x \) becomes larger and larger, the fraction \( \frac{e^2}{x^2} \) becomes smaller and smaller because the denominator increases much faster than the numerator. \[ \lim_{x \to \infty} \frac{e^2}{x^2} = 0 \] **Answer:** **B. 0**

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Bonus Knowledge

As \( x \) approaches infinity, the term \( x^2 \) in the denominator grows much larger than the constant \( e^2 \) in the numerator. This means the fraction \( \frac{e^{2}}{x^{2}} \) will shrink towards zero. Therefore, the limit evaluates to 0, which is option B. This concept of limits can be applied in various fields such as engineering and physics, especially when dealing with decay, forces, or other phenomena that approach a steady state as a variable increases indefinitely. Understanding these limits helps in modeling real-world scenarios more accurately!

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