For the function graphed below, find the values of x at which the derivative does not exist. (Enter your answers as a comma-separated list.) X = د 2 4 x

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...
Question
### Identifying Points Where Derivatives Do Not Exist

**Problem Statement:**  
_Examine the given function graph and determine the values of \(x\) at which the derivative does not exist. Provide your answers as a comma-separated list._

**Graph Description:**

- The graph is plotted on the \(xy\)-coordinate system.
- The x-axis ranges from \(-4\) to \(4\), and the y-axis values shown range from \(-2\) to unspecified.
  
**Key Observations in the Graph:**

1. **Discontinuity at \((x = -3)\)**: There is a break in the graph where the function value suddenly jumps from one point to another, indicating a discontinuity. The point at \(x = -3\) appears to be undefined due to the discontinuity.
  
   - There is an open circle at approximately \((-3, 1.5)\), showing where the function value is missing.
   - There is a solid dot slightly below the open circle, indicating an immediate function value just before or after \(x = -3\).

2. **Sharp Corner or Cusp at \((x = 2)\)**: The graph displays a noticeable "kink" or abrupt change in direction at \(x = 2\).

   - Before \(x = 2\), the graph is descending.
   - Immediately after \(x = 2\), the graph changes to an ascending direction.

**Conclusion:**
The values of \(x\) where the derivative does not exist are due to the discontinuity and the sharp corner in the graph.

**Answer:**
\[ x = -3, 2 \]

**Note:** Analyze such points carefully in any function to determine the points of non-existent derivatives, taking into account both discontinuities and sharp bends or cusps.
Transcribed Image Text:### Identifying Points Where Derivatives Do Not Exist **Problem Statement:** _Examine the given function graph and determine the values of \(x\) at which the derivative does not exist. Provide your answers as a comma-separated list._ **Graph Description:** - The graph is plotted on the \(xy\)-coordinate system. - The x-axis ranges from \(-4\) to \(4\), and the y-axis values shown range from \(-2\) to unspecified. **Key Observations in the Graph:** 1. **Discontinuity at \((x = -3)\)**: There is a break in the graph where the function value suddenly jumps from one point to another, indicating a discontinuity. The point at \(x = -3\) appears to be undefined due to the discontinuity. - There is an open circle at approximately \((-3, 1.5)\), showing where the function value is missing. - There is a solid dot slightly below the open circle, indicating an immediate function value just before or after \(x = -3\). 2. **Sharp Corner or Cusp at \((x = 2)\)**: The graph displays a noticeable "kink" or abrupt change in direction at \(x = 2\). - Before \(x = 2\), the graph is descending. - Immediately after \(x = 2\), the graph changes to an ascending direction. **Conclusion:** The values of \(x\) where the derivative does not exist are due to the discontinuity and the sharp corner in the graph. **Answer:** \[ x = -3, 2 \] **Note:** Analyze such points carefully in any function to determine the points of non-existent derivatives, taking into account both discontinuities and sharp bends or cusps.
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