Find the point of inflection of the graph of the function. (If an answer does not ex ro) = 5 sec(x-즉), (0, 4m) ec(x-즉), (0, 47) %3D (х, у) 3 T,0

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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**Finding the Point of Inflection and Describing Concavity**

To analyze the function \( f(x) = 5 \sec(x - \frac{\pi}{2}) \) within the interval \( (0, 4\pi) \), follow these steps:

1. **Find the Point of Inflection:**

   - The point provided, \((x, y) = (\pi, 0)\), is not a valid inflection point for the function within the given interval as indicated by the red 'X'.

2. **Describe the Concavity:**

   - **Concave Upward:** The graph is concave upward in the intervals \( (0, \pi) \cup (2\pi, 3\pi) \). This is marked correctly with checkmarks.
   - **Concave Downward:** The graph is concave downward in the intervals \( (\pi, 2\pi) \cup (3\pi, 4\pi) \). This is also marked correctly with checkmarks.

If you need further assistance understanding these concepts, please utilize the "Need Help? Read It" option provided. You can also review your work by expanding the "Show My Work" section.
Transcribed Image Text:**Finding the Point of Inflection and Describing Concavity** To analyze the function \( f(x) = 5 \sec(x - \frac{\pi}{2}) \) within the interval \( (0, 4\pi) \), follow these steps: 1. **Find the Point of Inflection:** - The point provided, \((x, y) = (\pi, 0)\), is not a valid inflection point for the function within the given interval as indicated by the red 'X'. 2. **Describe the Concavity:** - **Concave Upward:** The graph is concave upward in the intervals \( (0, \pi) \cup (2\pi, 3\pi) \). This is marked correctly with checkmarks. - **Concave Downward:** The graph is concave downward in the intervals \( (\pi, 2\pi) \cup (3\pi, 4\pi) \). This is also marked correctly with checkmarks. If you need further assistance understanding these concepts, please utilize the "Need Help? Read It" option provided. You can also review your work by expanding the "Show My Work" section.
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The function is fx=5secx-π2.

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