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:**Title: Graphing Reflected Functions**
**Objective:** Learn how to graph functions after applying reflections.
**Function:** The given function is \( k(x) = (-x)^3 \).
**Task:** Graph the function by applying an appropriate reflection.
**Graph Description:**
The graph is represented on a coordinate plane with both x and y axes ranging from -8 to 8. The plotted function, \( k(x) = (-x)^3 \), appears as a blue curve.
**Function Analysis:**
1. **Symmetry and Reflection:**
- The function \( k(x) = (-x)^3 \) can be considered a reflection of \( x^3 \) across the y-axis.
- This reflects all points such that if a point (x, y) is on the original \( x^3 \) graph, then the point (-x, y) is on the reflected graph.
2. **Shape of the Graph:**
- The graph shows typical cubic behavior: it passes through the origin (0,0).
- As x approaches 8, y increases rapidly, and as x approaches -8, y decreases.
3. **Transformations:**
- Since the graph is \( (-x)^3 \), this is reflected over the y-axis compared to the graph of \( x^3 \).
**Interactive Features:**
- **Transform Tools:**
- The interface includes options for manipulating the graph:
- An arrow cross indicates the capability to move the graph.
- A trapezoid shape suggests a zoom feature to expand or contract the view.
- A reset symbol is available for undoing changes and resetting the graph.
**Conclusion:** Understanding reflections allows for better mastery of function transformations and their graphical representations. Use the interactive features to practice applying reflections and observe their effects on various functions.
**Action Button:** "Check" - Click to verify your graph against the correct reflective transformation.
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