let f(x) be a function such that its derivative is given by: f'(x)=5(x-1)^2(x-2)^3(x-3)^4. which statement is true about the function f(x)?

Calculus: Early Transcendentals
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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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let f(x) be a function such that its derivative is given by: f'(x)=5(x-1)^2(x-2)^3(x-3)^4. which statement is true about the function f(x)?

### Analyzing the Derivative of a Function

#### Given Problem
Let \( f(x) \) be a function such that its derivative is given by:
\[ f'(x) = 5(x-1)^2 (x-2)^3 (x-3)^4. \]

Which statement is true about the function \( f(x) \)?
- \(\bigcirc \) It has three local max or local min at \( x = 1, x = 2, \) and \( x = 3 \)
- \(\bigcirc \) It has a local min at \( x = 2 \)
- \(\bigcirc \) It has a local min at \( x = 3 \)
- \(\bigcirc \) It has no local max nor local min
- \(\bigcirc \) None of the above

#### Detailed Analysis
To determine the local extrema of \( f(x) \), we need to analyze its derivative \( f'(x) \).

1. **Critical Points:**
   - The derivative \( f'(x) = 0 \) at \( x = 1, 2, 3 \).

2. **Behavior of \( f'(x) \) Based on its Factors:**
   - **At \( x = 1 \):** The factor \((x-1)^2\) makes \( f'(x) \) equal zero. Since the power is even (2), the sign of \( f'(x) \) does not change around \( x = 1 \). This suggests that \( x = 1 \) is more likely a point of inflection rather than a local maximum or minimum.
   
   - **At \( x = 2 \):** The factor \((x-2)^3\) makes \( f'(x) \) equal zero. Since the power is odd (3), the sign of \( f'(x) \) changes around \( x = 2 \). This indicates that \( x = 2 \) is a local extremum. Given that the factor is raised to an odd power greater than 1, which affects the steepness at that point, it suggests a local minimum.

   - **At \( x = 3 \):** The factor \((x-3)^4\) makes \( f'(x) \) equal zero. Since the power is even (4),
Transcribed Image Text:### Analyzing the Derivative of a Function #### Given Problem Let \( f(x) \) be a function such that its derivative is given by: \[ f'(x) = 5(x-1)^2 (x-2)^3 (x-3)^4. \] Which statement is true about the function \( f(x) \)? - \(\bigcirc \) It has three local max or local min at \( x = 1, x = 2, \) and \( x = 3 \) - \(\bigcirc \) It has a local min at \( x = 2 \) - \(\bigcirc \) It has a local min at \( x = 3 \) - \(\bigcirc \) It has no local max nor local min - \(\bigcirc \) None of the above #### Detailed Analysis To determine the local extrema of \( f(x) \), we need to analyze its derivative \( f'(x) \). 1. **Critical Points:** - The derivative \( f'(x) = 0 \) at \( x = 1, 2, 3 \). 2. **Behavior of \( f'(x) \) Based on its Factors:** - **At \( x = 1 \):** The factor \((x-1)^2\) makes \( f'(x) \) equal zero. Since the power is even (2), the sign of \( f'(x) \) does not change around \( x = 1 \). This suggests that \( x = 1 \) is more likely a point of inflection rather than a local maximum or minimum. - **At \( x = 2 \):** The factor \((x-2)^3\) makes \( f'(x) \) equal zero. Since the power is odd (3), the sign of \( f'(x) \) changes around \( x = 2 \). This indicates that \( x = 2 \) is a local extremum. Given that the factor is raised to an odd power greater than 1, which affects the steepness at that point, it suggests a local minimum. - **At \( x = 3 \):** The factor \((x-3)^4\) makes \( f'(x) \) equal zero. Since the power is even (4),
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