What is the derivative of f(x) = 2x^5 + 8x + -1?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 10x^4 + 8.
- A. 10x^4 + 8 ✓
- B. 10x^4
Why not B: “10x^4” is not 10x^4 + 8.
- C. 10x^5 + 8
Why not C: “10x^5 + 8” is not 10x^4 + 8.
- D. 2x^4 + 8
Why not D: “2x^4 + 8” is not 10x^4 + 8.
Correct answer
A. 10x^4 + 8
Explanation
10x^4 + 8 is the value that answers “What is the derivative of f(x) = 2x^5 + 8x + -1” (option A). Option B (10x^4) is a different value from 10x^4 + 8. Option C (10x^5 + 8) is a different value from 10x^4 + 8. Option D (2x^4 + 8) is a different value from 10x^4 + 8. Keep 10x^4 + 8 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 10x^4 + 8
Submitted by: MCQsHub Editorial