What is the derivative of f(x) = 6x^4 + 5x + -1?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: D. 24x^3 + 5.
- A. 24x^3
Why not A: “24x^3” is not 24x^3 + 5.
- B. 24x^4 + 5
Why not B: “24x^4 + 5” is not 24x^3 + 5.
- C. 6x^3 + 5
Why not C: “6x^3 + 5” is not 24x^3 + 5.
- D. 24x^3 + 5 ✓
Correct answer
D. 24x^3 + 5
Explanation
24x^3 + 5 is the value that answers “What is the derivative of f(x) = 6x^4 + 5x + -1” (option D). Option A (24x^3) is a different value from 24x^3 + 5. Option B (24x^4 + 5) is a different value from 24x^3 + 5. Option C (6x^3 + 5) is a different value from 24x^3 + 5. Keep 24x^3 + 5 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, 4x^3 + 5, 24x^3 + 5
Submitted by: MCQsHub Editorial