TT f(x) = x – cos(x), %3D 2 TL

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
**Mean Value Theorem Application**

**Problem Statement:**

Determine whether the Mean Value Theorem can be applied to \( f \) on the closed interval \([a, b]\). (Select all that apply.)

Given:
\[ f(x) = x - \cos(x), \quad \left[ -\frac{\pi}{2}, \frac{\pi}{2} \right] \]

**Options:**
1. \( \boxed{} \) Yes, the Mean Value Theorem can be applied.
2. \( \boxed{} \) No; because \( f \) is not continuous on the closed interval \([a, b]\).
3. \( \boxed{} \) No; because \( f \) is not differentiable in the open interval \((a, b)\).
4. \( \boxed{} \) None of the above.

---

**Follow-up:**

If the Mean Value Theorem can be applied, find all values of \( c \) in the open interval \((a, b)\) such that 
\[ f'(c) = \frac{f(b) - f(a)}{b - a}. \]

(Enter your answers as a comma-separated list. If the Mean Value Theorem cannot be applied, enter NA.)

\[ c = \quad \boxed{} \]
Transcribed Image Text:**Mean Value Theorem Application** **Problem Statement:** Determine whether the Mean Value Theorem can be applied to \( f \) on the closed interval \([a, b]\). (Select all that apply.) Given: \[ f(x) = x - \cos(x), \quad \left[ -\frac{\pi}{2}, \frac{\pi}{2} \right] \] **Options:** 1. \( \boxed{} \) Yes, the Mean Value Theorem can be applied. 2. \( \boxed{} \) No; because \( f \) is not continuous on the closed interval \([a, b]\). 3. \( \boxed{} \) No; because \( f \) is not differentiable in the open interval \((a, b)\). 4. \( \boxed{} \) None of the above. --- **Follow-up:** If the Mean Value Theorem can be applied, find all values of \( c \) in the open interval \((a, b)\) such that \[ f'(c) = \frac{f(b) - f(a)}{b - a}. \] (Enter your answers as a comma-separated list. If the Mean Value Theorem cannot be applied, enter NA.) \[ c = \quad \boxed{} \]
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