0) Calculate the limits algebraically. Provide an argument justifying the value stated: a) lim(x-√x²+2x)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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## Problem 10: Calculating Limits Algebraically

**Instructions**: Calculate the limits algebraically. Provide an argument justifying the value stated:

### a) 
\[
\lim_{{x \to \infty}} \left(x - \sqrt{x^2 + 2x}\right)
\]

### b) 
\[
\lim_{{x \to \infty}} \frac{2x^2 + \cos(3x)}{x^2 - 10x + \cos x}
\]

**Explanation**:
- **Limit Calculation a)**: Evaluate this limit by simplifying the expression under the square root and then subtracting terms.
- **Limit Calculation b)**: For this rational function, consider simplifying by dividing the numerator and denominator by the highest power of \(x\). Analyze the behavior as \(x\) approaches infinity.
Transcribed Image Text:## Problem 10: Calculating Limits Algebraically **Instructions**: Calculate the limits algebraically. Provide an argument justifying the value stated: ### a) \[ \lim_{{x \to \infty}} \left(x - \sqrt{x^2 + 2x}\right) \] ### b) \[ \lim_{{x \to \infty}} \frac{2x^2 + \cos(3x)}{x^2 - 10x + \cos x} \] **Explanation**: - **Limit Calculation a)**: Evaluate this limit by simplifying the expression under the square root and then subtracting terms. - **Limit Calculation b)**: For this rational function, consider simplifying by dividing the numerator and denominator by the highest power of \(x\). Analyze the behavior as \(x\) approaches infinity.
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