The graph below shows a transformation of y = 2"

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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### Transformation of Exponential Functions

#### **Understanding the Transformation:**
The graph below illustrates a transformation of the exponential function \( y = 2^x \).

![Graph](link_to_image) (Note: Replace this with the actual link if available.)

#### **Graph Analysis:**
- The original function \( y = 2^x \) is an exponential function that passes through the point (0, 1) since any number raised to the zero power is 1.
- In the given graph, instead of passing through (0, 1), the graph appears to be reflected and translated.

#### **Identifying the Transformation:**
- **Reflection:** The graph appears to be reflected about the y-axis, indicating that the exponent \( x \) has been negated.
- **Translation:** The graph does not appear to be simply reflected but also appears to have been shifted downwards by 1 unit based on the alignment of the curve.

#### **Determining the Equation:**
Considering the reflection and vertical translation, the equation can be derived as follows:
\[ y = -2^x - 1 \]

#### **Additional Exercises:**
Next, verify the points:
- \( f(-1) \) should align with the point (1, 1) on the new graph under reflection and translation.
- Ensure continuity by checking multiple points to confirm the exact nature of transformation.

### **Interactive Component:**
Write an equation for the graph above:
\[ y = \underline{\hspace{2cm}} \]
[Preview]

### **Conclusion:**
Understanding transformations of functions, particularly exponential ones, is crucial in advanced algebra. By reflecting and shifting, we explore the dynamic nature of equations and their graphical representations.
Transcribed Image Text:### Transformation of Exponential Functions #### **Understanding the Transformation:** The graph below illustrates a transformation of the exponential function \( y = 2^x \). ![Graph](link_to_image) (Note: Replace this with the actual link if available.) #### **Graph Analysis:** - The original function \( y = 2^x \) is an exponential function that passes through the point (0, 1) since any number raised to the zero power is 1. - In the given graph, instead of passing through (0, 1), the graph appears to be reflected and translated. #### **Identifying the Transformation:** - **Reflection:** The graph appears to be reflected about the y-axis, indicating that the exponent \( x \) has been negated. - **Translation:** The graph does not appear to be simply reflected but also appears to have been shifted downwards by 1 unit based on the alignment of the curve. #### **Determining the Equation:** Considering the reflection and vertical translation, the equation can be derived as follows: \[ y = -2^x - 1 \] #### **Additional Exercises:** Next, verify the points: - \( f(-1) \) should align with the point (1, 1) on the new graph under reflection and translation. - Ensure continuity by checking multiple points to confirm the exact nature of transformation. ### **Interactive Component:** Write an equation for the graph above: \[ y = \underline{\hspace{2cm}} \] [Preview] ### **Conclusion:** Understanding transformations of functions, particularly exponential ones, is crucial in advanced algebra. By reflecting and shifting, we explore the dynamic nature of equations and their graphical representations.
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