What is the derivative of f(x) = 8x^3 + 5x + 2?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 24x^2 + 5.
- A. 24x^2 + 5 ✓
- B. 24x^3 + 5
Why not B: “24x^3 + 5” is not 24x^2 + 5.
- C. 24x^2
Why not C: “24x^2” is not 24x^2 + 5.
- D. 8x^2 + 5
Why not D: “8x^2 + 5” is not 24x^2 + 5.
Correct answer
A. 24x^2 + 5
Explanation
24x^2 + 5 is the value that answers “What is the derivative of f(x) = 8x^3 + 5x + 2” (option A). Option B (24x^3 + 5) is a different value from 24x^2 + 5. Option C (24x^2) is a different value from 24x^2 + 5. Option D (8x^2 + 5) is a different value from 24x^2 + 5. Keep 24x^2 + 5 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, 8x^3 + 5, 24x^2 + 5
Submitted by: MCQsHub Editorial