What is the derivative of f(x) = 7x^5 + 4x + 2?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: C. 35x^4 + 4.
- A. 7x^4 + 4
Why not A: “7x^4 + 4” is not 35x^4 + 4.
- B. 35x^5 + 4
Why not B: “35x^5 + 4” is not 35x^4 + 4.
- C. 35x^4 + 4 ✓
- D. 35x^4
Why not D: “35x^4” is not 35x^4 + 4.
Correct answer
C. 35x^4 + 4
Explanation
35x^4 + 4 is the value that answers “What is the derivative of f(x) = 7x^5 + 4x + 2” (option C). Option A (7x^4 + 4) is a different value from 35x^4 + 4. Option B (35x^5 + 4) is a different value from 35x^4 + 4. Option D (35x^4) is a different value from 35x^4 + 4. Keep 35x^4 + 4 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