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Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
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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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Determine if each of the following improper integrals converge or diverge. If it converges, to what? Be sure to support your answer with proper notation and technique.

The image contains a mathematical expression in the form of an integral, labeled as item number 2. The expression is as follows:

\[ 2.) \int_{-\infty}^{0} xe^x \, dx \]

This is an improper integral with limits from negative infinity to zero. The integrand is the product of \( x \) and the exponential function \( e^x \). The goal is to evaluate this integral over the specified range. 

No graphs or diagrams are present in the image.
Transcribed Image Text:The image contains a mathematical expression in the form of an integral, labeled as item number 2. The expression is as follows: \[ 2.) \int_{-\infty}^{0} xe^x \, dx \] This is an improper integral with limits from negative infinity to zero. The integrand is the product of \( x \) and the exponential function \( e^x \). The goal is to evaluate this integral over the specified range. No graphs or diagrams are present in the image.
### Integral Evaluation

Consider the following improper integral:

\[ 3.) \int_{1}^{\infty} \frac{8}{x^3} \, dx \]

This expression represents an integral with limits from 1 to infinity, where the integrand is \(\frac{8}{x^3}\). Here, you will evaluate the convergence or divergence of the integral and compute its value if it converges. 

Key steps to solve:
1. **Set up the integral** with the provided limits and integrand.
2. **Determine convergence** by evaluating the limit of the integral as the upper bound approaches infinity.
3. **Calculate the integral** using properties of integration and limits.

Make sure to incorporate knowledge of integrating functions of the form \(x^{-n}\) and handling infinity limits.
Transcribed Image Text:### Integral Evaluation Consider the following improper integral: \[ 3.) \int_{1}^{\infty} \frac{8}{x^3} \, dx \] This expression represents an integral with limits from 1 to infinity, where the integrand is \(\frac{8}{x^3}\). Here, you will evaluate the convergence or divergence of the integral and compute its value if it converges. Key steps to solve: 1. **Set up the integral** with the provided limits and integrand. 2. **Determine convergence** by evaluating the limit of the integral as the upper bound approaches infinity. 3. **Calculate the integral** using properties of integration and limits. Make sure to incorporate knowledge of integrating functions of the form \(x^{-n}\) and handling infinity limits.
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