Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:### Calculating Function Values Using Graphs
#### Overview
This section will guide you through calculating the value of \((f - g)(1)\) using the graphs of the functions \(f(x)\) and \(g(x)\).
#### Graph of \(f(x)\)
The left graph represents the function \(f(x)\). It is a continuous curve that oscillates between \(y = -1\) and \(y = 6\).
- The \(y\)-intercept is at \( (0, 0) \).
- Significant points on the graph include:
- \( (-3, 0) \)
- \( (-2, 5) \)
- \( (0, 0) \)
- \( (1, -1) \)
- \( (2, 3) \)
#### Graph of \(g(x)\)
The right graph represents the function \(g(x)\). This function oscillates as well and has a varying range between \(y = -4\) and \(y = 4\).
- The \(y\)-intercept is at \( (0, 2) \).
- Significant points on the graph include:
- \( (-3, 3) \)
- \( (-2, 0) \)
- \( (0, 2) \)
- \( (1, 3) \)
- \( (2, 0) \)
#### Calculation
To find the value of \((f - g)(1)\), follow these steps:
1. **Determine \(f(1)\) from the graph of \(f(x)\)**:
- Locate \(x = 1\) on the \(f(x)\) graph.
- The corresponding \(y\)-value is \( f(1) = -1 \).
2. **Determine \(g(1)\) from the graph of \(g(x)\)**:
- Locate \(x = 1\) on the \(g(x)\) graph.
- The corresponding \(y\)-value is \( g(1) = 3 \).
3. **Calculate \( (f - g)(1) \)**:
- \( (f - g)(1) = f(1) - g(1) \)
- Substituting the values:
\[
(f - g)(1) = -1 -
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