Determine p' (x) when p(x): 0.08e %3D

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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Need help with calculus homework Determine p’(x)
Determine \( p'(x) \) when \( p(x) = \frac{0.08e^x}{\sqrt{x}} \).

**Explanation:**

The problem is asking to find the derivative of the function \( p(x) = \frac{0.08e^x}{\sqrt{x}} \). This involves using the quotient rule of differentiation since the function is in the form of a fraction.

The quotient rule states that for two differentiable functions \( f(x) \) and \( g(x) \), the derivative of the quotient \( \frac{f(x)}{g(x)} \) is given by:

\[ \left( \frac{f}{g} \right)' = \frac{f'g - fg'}{g^2} \]

Applying the rule to the given function will require differentiating both the numerator \( 0.08e^x \) and the denominator \( \sqrt{x} \) separately.

1. **Numerator:**
   - \( f(x) = 0.08e^x \)
   - Derivative \( f'(x) = 0.08e^x \)

2. **Denominator:**
   - \( g(x) = \sqrt{x} = x^{1/2} \)
   - Derivative \( g'(x) = \frac{1}{2}x^{-1/2} \)

Combining these, the derivative \( p'(x) \) can be calculated using the quotient rule.
Transcribed Image Text:Determine \( p'(x) \) when \( p(x) = \frac{0.08e^x}{\sqrt{x}} \). **Explanation:** The problem is asking to find the derivative of the function \( p(x) = \frac{0.08e^x}{\sqrt{x}} \). This involves using the quotient rule of differentiation since the function is in the form of a fraction. The quotient rule states that for two differentiable functions \( f(x) \) and \( g(x) \), the derivative of the quotient \( \frac{f(x)}{g(x)} \) is given by: \[ \left( \frac{f}{g} \right)' = \frac{f'g - fg'}{g^2} \] Applying the rule to the given function will require differentiating both the numerator \( 0.08e^x \) and the denominator \( \sqrt{x} \) separately. 1. **Numerator:** - \( f(x) = 0.08e^x \) - Derivative \( f'(x) = 0.08e^x \) 2. **Denominator:** - \( g(x) = \sqrt{x} = x^{1/2} \) - Derivative \( g'(x) = \frac{1}{2}x^{-1/2} \) Combining these, the derivative \( p'(x) \) can be calculated using the quotient rule.
The image presents four mathematical expressions for the derivative \( p'(x) \). Each option appears in a multiple-choice format, and they appear as follows:

1. \( p'(x) = \frac{0.08 e^x}{2 \sqrt{x}} \)

2. \( p'(x) = 0.08 \left( \frac{(e^x)(\frac{1}{2\sqrt{x}}) - (\sqrt{x})(e^x)}{(\sqrt{x})^2} \right) \)

3. \( p'(x) = 0.08 \left( \frac{(xe^{x-1})(\sqrt{x}) - (e^x)(\frac{1}{2\sqrt{x}})}{(\sqrt{x})^2} \right) \)

4. \( p'(x) = 0.08 \left( \frac{(\sqrt{x})(e^x) - (e^x)(\frac{1}{2\sqrt{x}})}{(\sqrt{x})^2} \right) \)

The fourth option is marked with a filled circle, indicating that it is the selected or correct answer. 

These expressions involve the application of calculus, specifically differentiation, dealing with exponential functions and rational expressions involving square roots.
Transcribed Image Text:The image presents four mathematical expressions for the derivative \( p'(x) \). Each option appears in a multiple-choice format, and they appear as follows: 1. \( p'(x) = \frac{0.08 e^x}{2 \sqrt{x}} \) 2. \( p'(x) = 0.08 \left( \frac{(e^x)(\frac{1}{2\sqrt{x}}) - (\sqrt{x})(e^x)}{(\sqrt{x})^2} \right) \) 3. \( p'(x) = 0.08 \left( \frac{(xe^{x-1})(\sqrt{x}) - (e^x)(\frac{1}{2\sqrt{x}})}{(\sqrt{x})^2} \right) \) 4. \( p'(x) = 0.08 \left( \frac{(\sqrt{x})(e^x) - (e^x)(\frac{1}{2\sqrt{x}})}{(\sqrt{x})^2} \right) \) The fourth option is marked with a filled circle, indicating that it is the selected or correct answer. These expressions involve the application of calculus, specifically differentiation, dealing with exponential functions and rational expressions involving square roots.
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