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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
Transcribed Image Text:## Evaluating Limits Using a Table
To evaluate the limits of a function \( f(x) \) as \( x \) approaches a certain value, we can use the values provided in a table. Below is a table and three limit expressions that need to be evaluated.
### Table of Values:
| \( x \) | 4 | 4.9 | 4.99 | 5 | 5.01 | 5.1 | 6 |
|-------------|-------|--------|--------|-------|--------|-------|-------|
| \( f(x) \) | -11 | -13.7 | -13.97| -9 | -14.03| -14.3 | -17 |
### Limits to Evaluate:
1. \( \lim_{{x \to 5^-}} f(x) = \)
2. \( \lim_{{x \to 5^+}} f(x) = \)
3. \( \lim_{{x \to 5}} f(x) = \)
#### Analysis:
1. **Left-hand limit (\( \lim_{{x \to 5^-}} f(x) \))**:
- As \( x \) approaches 5 from the left (\( 4, 4.9, 4.99 \)), \( f(x) \) takes the values \(-11, -13.7, -13.97 \).
2. **Right-hand limit (\( \lim_{{x \to 5^+}} f(x) \))**:
- As \( x \) approaches 5 from the right (\( 5.01, 5.1, 6 \)), \( f(x) \) takes the values \(-14.03, -14.3, -17 \).
3. **Two-sided limit (\( \lim_{{x \to 5}} f(x) \))**:
- For the two-sided limit to exist, the left-hand and right-hand limits must be equal.
### Using the Table for Evaluation:
1. **Left-hand limit (\( \lim_{{x \to 5^-}} f(x) \))**:
- Evaluate the trends from the left-hand side values: \( -11 \to -13.7 \to -13.97 \).
2.
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