What is the derivative of f(x) = 4x^4 + 6x + 7?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: D. 16x^3 + 6.
- A. 16x^4 + 6
Why not A: “16x^4 + 6” is not 16x^3 + 6.
- B. 4x^3 + 6
Why not B: “4x^3 + 6” is not 16x^3 + 6.
- C. 16x^3
Why not C: “16x^3” is not 16x^3 + 6.
- D. 16x^3 + 6 ✓
Correct answer
D. 16x^3 + 6
Explanation
16x^3 + 6 is the value that answers “What is the derivative of f(x) = 4x^4 + 6x + 7” (option D). Option A (16x^4 + 6) is a different value from 16x^3 + 6. Option B (4x^3 + 6) is a different value from 16x^3 + 6. Option C (16x^3) is a different value from 16x^3 + 6. Keep 16x^3 + 6 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Derivatives, derivative MCQ, derivative of 5x^3 + 8x + 9, derivative calculation MCQ, differentiation MCQ, find derivative MCQ, derivative questions
Submitted by: MCQsHub Editorial