3. Provide the graph of the sinusoidal function over the interval [0, 24). f(x) = 6 cos + 2 %3D Identify the following characteristics of f(x) Amplitude Vertical translation Horizontal dilation Phase Shift Period

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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**Transcription of Educational Content:**

Graph Analysis of Sinusoidal Function

**Objective:**  
Provide the graph of the sinusoidal function over the interval \([0, 24]\).

**Function:**  
\[ f(x) = 6 \cos \left( \frac{\pi}{5} (x - 3) \right) + 2 \]

**Characteristics to Identify:**

| Characteristic        | Description |
|-----------------------|-------------|
| Amplitude             |             |
| Vertical Translation  |             |
| Horizontal Dilation   |             |
| Phase Shift           |             |
| Period                |             |

**Graph Description:**

The graph represents a cosine function plotted on an interval from 0 to 24. The x-axis is scaled in numeric radians with \(\pi\) approximately equal to 3.14. The function demonstrates regular oscillations typical of a cosine wave. 

**Key Features to Analyze:**

- **Amplitude:** This is the height from the middle of the wave to its peak. The graph has an amplitude of 6.
- **Vertical Translation:** The graph shifts vertically by 2 units upwards.
- **Horizontal Dilation:** The horizontal stretch/compression factor due to the \(\frac{\pi}{5}\) in the function.
- **Phase Shift:** The graph shifts horizontally by 3 units to the right.
- **Period:** The period can be calculated using the formula \( \frac{2\pi}{\text{horizontal dilation factor}} \).

These elements illustrate the transformations applied to the basic cosine function, resulting in the specific wave characteristics represented on the graph.
Transcribed Image Text:**Transcription of Educational Content:** Graph Analysis of Sinusoidal Function **Objective:** Provide the graph of the sinusoidal function over the interval \([0, 24]\). **Function:** \[ f(x) = 6 \cos \left( \frac{\pi}{5} (x - 3) \right) + 2 \] **Characteristics to Identify:** | Characteristic | Description | |-----------------------|-------------| | Amplitude | | | Vertical Translation | | | Horizontal Dilation | | | Phase Shift | | | Period | | **Graph Description:** The graph represents a cosine function plotted on an interval from 0 to 24. The x-axis is scaled in numeric radians with \(\pi\) approximately equal to 3.14. The function demonstrates regular oscillations typical of a cosine wave. **Key Features to Analyze:** - **Amplitude:** This is the height from the middle of the wave to its peak. The graph has an amplitude of 6. - **Vertical Translation:** The graph shifts vertically by 2 units upwards. - **Horizontal Dilation:** The horizontal stretch/compression factor due to the \(\frac{\pi}{5}\) in the function. - **Phase Shift:** The graph shifts horizontally by 3 units to the right. - **Period:** The period can be calculated using the formula \( \frac{2\pi}{\text{horizontal dilation factor}} \). These elements illustrate the transformations applied to the basic cosine function, resulting in the specific wave characteristics represented on the graph.
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