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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Question
12
![### Domain and Range Analysis
**Objective:**
To determine the domain and range of the given graph and use it to find specific values.
**Graph Analysis:**
The graph provided on the right shows a function plotted on a Cartesian plane with the x-axis and y-axis labeled from -6 to 6. The graph passes through several points within this coordinate range.
**Domain and Range:**
- The **domain** of the graph is the set of all possible \( x \)-values for which the graph is defined.
- **Domain: \([-3, 5]\)**
- The **range** of the graph is the set of all possible \( y \)-values that the graph can take.
- **Range: \([-2, 2]\)**
**Tasks:**
Use the graph to find the following function values:
1. **Find \( f(-3) \)**:
- From the graph, locate \( x = -3 \) and determine the corresponding \( y \)-value.
- **\( f(-3) = -2 \)**
2. **Find \( f(0) \)**:
- From the graph, locate \( x = 0 \) and determine the corresponding \( y \)-value.
- **\( f(0) = 1 \)**
3. **Find \( f\left(\frac{1}{2}\right) \)**:
- From the graph, locate \( x = \frac{1}{2} \) and determine the corresponding \( y \)-value.
- **\( f\left(\frac{1}{2}\right) = \) [Value needs to be determined from the given graph]**
**Graph Explanation:**
- The graph is a curve that traverses through different quadrants.
- The specified domain \([-3,5]\) means that the graph starts from \( x = -3 \) and ends at \( x = 5 \).
- The specified range \([-2,2]\) indicates that the \( y \)-values of the graph range from \(-2\) to \(2\).
By analyzing the graph accordingly, one can determine the exact values for various function inputs as requested.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11a64bba-74c0-4fd7-b16b-3d8fff0a6ac2%2F52c1dc88-c7df-4067-a802-aa4005d13042%2Fdn04di_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Domain and Range Analysis
**Objective:**
To determine the domain and range of the given graph and use it to find specific values.
**Graph Analysis:**
The graph provided on the right shows a function plotted on a Cartesian plane with the x-axis and y-axis labeled from -6 to 6. The graph passes through several points within this coordinate range.
**Domain and Range:**
- The **domain** of the graph is the set of all possible \( x \)-values for which the graph is defined.
- **Domain: \([-3, 5]\)**
- The **range** of the graph is the set of all possible \( y \)-values that the graph can take.
- **Range: \([-2, 2]\)**
**Tasks:**
Use the graph to find the following function values:
1. **Find \( f(-3) \)**:
- From the graph, locate \( x = -3 \) and determine the corresponding \( y \)-value.
- **\( f(-3) = -2 \)**
2. **Find \( f(0) \)**:
- From the graph, locate \( x = 0 \) and determine the corresponding \( y \)-value.
- **\( f(0) = 1 \)**
3. **Find \( f\left(\frac{1}{2}\right) \)**:
- From the graph, locate \( x = \frac{1}{2} \) and determine the corresponding \( y \)-value.
- **\( f\left(\frac{1}{2}\right) = \) [Value needs to be determined from the given graph]**
**Graph Explanation:**
- The graph is a curve that traverses through different quadrants.
- The specified domain \([-3,5]\) means that the graph starts from \( x = -3 \) and ends at \( x = 5 \).
- The specified range \([-2,2]\) indicates that the \( y \)-values of the graph range from \(-2\) to \(2\).
By analyzing the graph accordingly, one can determine the exact values for various function inputs as requested.
![### Linear Graph Representation
In this educational module, we will explore the linear graph depicted above. A graph is a visual representation of data and functions that provide insights into trends and relationships between variables.
#### Graph Analysis
The graph shown represents a linear relationship between two variables, typically denoted as \( x \) (horizontal axis) and \( y \) (vertical axis).
- **Axes and Grid:**
- The horizontal axis (x-axis) is labeled from -6 to 6.
- The vertical axis (y-axis) is labeled from -4 to 6.
- Both axes are marked with evenly spaced grid lines for better visualization and accuracy of data points.
- **Line Representation:**
- The line on the graph starts at the point (-4, -2) and passes through to the point (4, 4).
- This suggests a positive linear relationship, meaning as the value of \( x \) increases, the value of \( y \) also increases.
#### Components of the Graph:
1. **Origin:** The point where the x-axis and y-axis intersect is known as the origin, which is at the coordinate (0,0).
2. **Slope:** The slope of the line can be calculated by the formula:
\[ \text{slope} = \frac{\Delta y}{\Delta x} \]
, which is the change in \( y \) divided by the change in \( x \). Visually, it represents how steep the line is.
3. **Intercepts:**
- **Y-intercept:** The value where the line crosses the y-axis. For this graph, it appears this value might be around (-3,0), but we would need more data points.
- **X-intercept:** The value where the line crosses the x-axis. For this graph, it seems to occur around (2.6,0).
#### Conclusion:
This linear graph is a simple yet powerful representation of how the y-variable changes as the x-variable changes. Understanding how to interpret and create such graphs is fundamental in many areas of mathematics, science, and engineering.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11a64bba-74c0-4fd7-b16b-3d8fff0a6ac2%2F52c1dc88-c7df-4067-a802-aa4005d13042%2Fc0bu0o_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Linear Graph Representation
In this educational module, we will explore the linear graph depicted above. A graph is a visual representation of data and functions that provide insights into trends and relationships between variables.
#### Graph Analysis
The graph shown represents a linear relationship between two variables, typically denoted as \( x \) (horizontal axis) and \( y \) (vertical axis).
- **Axes and Grid:**
- The horizontal axis (x-axis) is labeled from -6 to 6.
- The vertical axis (y-axis) is labeled from -4 to 6.
- Both axes are marked with evenly spaced grid lines for better visualization and accuracy of data points.
- **Line Representation:**
- The line on the graph starts at the point (-4, -2) and passes through to the point (4, 4).
- This suggests a positive linear relationship, meaning as the value of \( x \) increases, the value of \( y \) also increases.
#### Components of the Graph:
1. **Origin:** The point where the x-axis and y-axis intersect is known as the origin, which is at the coordinate (0,0).
2. **Slope:** The slope of the line can be calculated by the formula:
\[ \text{slope} = \frac{\Delta y}{\Delta x} \]
, which is the change in \( y \) divided by the change in \( x \). Visually, it represents how steep the line is.
3. **Intercepts:**
- **Y-intercept:** The value where the line crosses the y-axis. For this graph, it appears this value might be around (-3,0), but we would need more data points.
- **X-intercept:** The value where the line crosses the x-axis. For this graph, it seems to occur around (2.6,0).
#### Conclusion:
This linear graph is a simple yet powerful representation of how the y-variable changes as the x-variable changes. Understanding how to interpret and create such graphs is fundamental in many areas of mathematics, science, and engineering.
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