Find the derivative of: – 5x – 2x4 – 8x - d (– 5x8 – 2x4 – 8x – dx - 2) = - Question Help: D Video B Written Example Add Work Find the derivative of: – 8Vx + 3 + 7x + 9 | d ( - 8Va 3 + + 7x + 9 dx
Find the derivative of: – 5x – 2x4 – 8x - d (– 5x8 – 2x4 – 8x – dx - 2) = - Question Help: D Video B Written Example Add Work Find the derivative of: – 8Vx + 3 + 7x + 9 | d ( - 8Va 3 + + 7x + 9 dx
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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![### Calculus: Derivatives Practice Problems
#### Problem 1:
**Find the derivative of:**
\[ -5x^8 - 2x^4 - 8x - 2 \]
\[
\frac{d}{dx} \left( -5x^8 - 2x^4 - 8x - 2 \right) = \boxed{\phantom{\text{Type your answer here.}}}
\]
---
#### Problem 2:
**Find the derivative of:**
\[ -8 \sqrt[4]{x} + \frac{3}{x^5} + 7x + 9 \]
\[
\frac{d}{dx} \left( -8 \sqrt[4]{x} + \frac{3}{x^5} + 7x + 9 \right) = \boxed{\phantom{\text{Type your answer here.}}}
\]
---
**Question Help:**
- [Video](#)
- [Written Example](#)
**Add Work:**
- [Add Work](#)
---
### Explanation:
1. **First Problem: Differentiating a Polynomial**
To differentiate the polynomial \(-5x^8 - 2x^4 - 8x - 2\), apply the power rule:
\[
\frac{d}{dx} \left( ax^n \right) = nax^{n-1}.
\]
- For \(-5x^8\), the derivative is \( -5 \cdot 8x^{7} = -40x^7 \).
- For \(-2x^4\), the derivative is \(-2 \cdot 4x^3 = -8x^3 \).
- For \(-8x\), the derivative is \(-8 \cdot 1x^0 = -8\).
- The constant \(-2\) has a derivative of \(0\).
Putting it all together:
\[
\frac{d}{dx} \left( -5x^8 - 2x^4 - 8x - 2 \right) = -40x^7 - 8x^3 - 8
\]
2. **Second Problem: Differentiating a Sum of Functions**
To differentiate the sum \(-8 \sqrt](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5234ec62-d297-4730-b48b-49cc88e7375d%2Fe3d3cae9-3cda-4d37-9ad5-6e9b41c350d1%2Fg4bapep_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Calculus: Derivatives Practice Problems
#### Problem 1:
**Find the derivative of:**
\[ -5x^8 - 2x^4 - 8x - 2 \]
\[
\frac{d}{dx} \left( -5x^8 - 2x^4 - 8x - 2 \right) = \boxed{\phantom{\text{Type your answer here.}}}
\]
---
#### Problem 2:
**Find the derivative of:**
\[ -8 \sqrt[4]{x} + \frac{3}{x^5} + 7x + 9 \]
\[
\frac{d}{dx} \left( -8 \sqrt[4]{x} + \frac{3}{x^5} + 7x + 9 \right) = \boxed{\phantom{\text{Type your answer here.}}}
\]
---
**Question Help:**
- [Video](#)
- [Written Example](#)
**Add Work:**
- [Add Work](#)
---
### Explanation:
1. **First Problem: Differentiating a Polynomial**
To differentiate the polynomial \(-5x^8 - 2x^4 - 8x - 2\), apply the power rule:
\[
\frac{d}{dx} \left( ax^n \right) = nax^{n-1}.
\]
- For \(-5x^8\), the derivative is \( -5 \cdot 8x^{7} = -40x^7 \).
- For \(-2x^4\), the derivative is \(-2 \cdot 4x^3 = -8x^3 \).
- For \(-8x\), the derivative is \(-8 \cdot 1x^0 = -8\).
- The constant \(-2\) has a derivative of \(0\).
Putting it all together:
\[
\frac{d}{dx} \left( -5x^8 - 2x^4 - 8x - 2 \right) = -40x^7 - 8x^3 - 8
\]
2. **Second Problem: Differentiating a Sum of Functions**
To differentiate the sum \(-8 \sqrt
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