Suppose that f(3) = 2, f'(3) = 5, and f' (x) > 0 and f"(x) < 0 for all values of x in (-0, 00). Sketch a possible graph of f(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...
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**Mathematical Analysis: Sketching a Graph**

**Problem Statement:**

Suppose that \( f(3) = 2 \), \( f'(3) = \frac{1}{2} \), and \( f'(x) > 0 \) and \( f''(x) < 0 \) for all values of \( x \) in \( (-\infty, \infty) \). Sketch a possible graph of \( f(x) \).

**Instructions and Explanation:**

1. **Given Information:**
   - The function value at \( x = 3 \) is \( f(3) = 2 \).
   - The derivative at \( x = 3 \) is \( f'(3) = \frac{1}{2} \), indicating the slope of the tangent line at this point.
   - The derivative \( f'(x) > 0 \) for all \( x \), meaning the function is increasing everywhere.
   - The second derivative \( f''(x) < 0 \) for all \( x \), indicating the function is concave down everywhere.

2. **Graph Characteristics:**
   - The graph passes through the point \( (3, 2) \).
   - Since \( f'(x) > 0 \), the graph is continuously increasing from left to right.
   - Since \( f''(x) < 0 \), the graph is concave down, resembling the shape of an upside-down bowl.

3. **Sketching the Graph:**
   - Start the graph at the given point \( (3, 2) \).
   - Ensure that the curve is increasing throughout its domain.
   - Make sure that the graph bends downwards, maintaining concavity.

By following these steps, you will have a graph that accurately represents the mathematical descriptions provided.
Transcribed Image Text:**Mathematical Analysis: Sketching a Graph** **Problem Statement:** Suppose that \( f(3) = 2 \), \( f'(3) = \frac{1}{2} \), and \( f'(x) > 0 \) and \( f''(x) < 0 \) for all values of \( x \) in \( (-\infty, \infty) \). Sketch a possible graph of \( f(x) \). **Instructions and Explanation:** 1. **Given Information:** - The function value at \( x = 3 \) is \( f(3) = 2 \). - The derivative at \( x = 3 \) is \( f'(3) = \frac{1}{2} \), indicating the slope of the tangent line at this point. - The derivative \( f'(x) > 0 \) for all \( x \), meaning the function is increasing everywhere. - The second derivative \( f''(x) < 0 \) for all \( x \), indicating the function is concave down everywhere. 2. **Graph Characteristics:** - The graph passes through the point \( (3, 2) \). - Since \( f'(x) > 0 \), the graph is continuously increasing from left to right. - Since \( f''(x) < 0 \), the graph is concave down, resembling the shape of an upside-down bowl. 3. **Sketching the Graph:** - Start the graph at the given point \( (3, 2) \). - Ensure that the curve is increasing throughout its domain. - Make sure that the graph bends downwards, maintaining concavity. By following these steps, you will have a graph that accurately represents the mathematical descriptions provided.
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