What is the derivative of f(x) = 3x^5 + 6x + -5?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 15x^4 + 6.
- A. 15x^4 + 6 ✓
- B. 3x^4 + 6
Why not B: “3x^4 + 6” is not 15x^4 + 6.
- C. 15x^5 + 6
Why not C: “15x^5 + 6” is not 15x^4 + 6.
- D. 15x^4
Why not D: “15x^4” is not 15x^4 + 6.
Correct answer
A. 15x^4 + 6
Explanation
15x^4 + 6 is the value that answers “What is the derivative of f(x) = 3x^5 + 6x + -5” (option A). Option B (3x^4 + 6) is a different value from 15x^4 + 6. Option C (15x^5 + 6) is a different value from 15x^4 + 6. Option D (15x^4) is a different value from 15x^4 + 6. Keep 15x^4 + 6 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Derivatives, derivative MCQ, derivative calculation MCQ, find derivative MCQ, derivative questions
Submitted by: MCQsHub Editorial