What is the derivative of f(x) = 5x^4 + 6x + 6?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: C. 20x^3 + 6.
- A. 20x^3
Why not A: “20x^3” is not 20x^3 + 6.
- B. 20x^4 + 6
Why not B: “20x^4 + 6” is not 20x^3 + 6.
- C. 20x^3 + 6 ✓
- D. 5x^3 + 6
Why not D: “5x^3 + 6” is not 20x^3 + 6.
Correct answer
C. 20x^3 + 6
Explanation
20x^3 + 6 is the value that answers “What is the derivative of f(x) = 5x^4 + 6x + 6” (option C). Option A (20x^3) is a different value from 20x^3 + 6. Option B (20x^4 + 6) is a different value from 20x^3 + 6. Option D (5x^3 + 6) is a different value from 20x^3 + 6. Keep 20x^3 + 6 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 20x^3 + 6
Submitted by: MCQsHub Editorial