What is the derivative of f(x) = 4x^4 + 2x + 3?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: D. 16x^3 + 2.
- A. 4x^3 + 2
Why not A: “4x^3 + 2” is not 16x^3 + 2.
- B. 16x^3
Why not B: “16x^3” is not 16x^3 + 2.
- C. 16x^4 + 2
Why not C: “16x^4 + 2” is not 16x^3 + 2.
- D. 16x^3 + 2 ✓
Correct answer
D. 16x^3 + 2
Explanation
16x^3 + 2 is the value that answers “What is the derivative of f(x) = 4x^4 + 2x + 3” (option D). Option A (4x^3 + 2) is a different value from 16x^3 + 2. Option B (16x^3) is a different value from 16x^3 + 2. Option C (16x^4 + 2) is a different value from 16x^3 + 2. Keep 16x^3 + 2 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: 16x^3 + 2, Using, derivative Using, 4x^3 + 2
Submitted by: MCQsHub Editorial