What is the derivative of f(x) = 7x^5 + 3x + 7?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 35x^4 + 3.
- A. 35x^4 + 3 ✓
- B. 7x^4 + 3
Why not B: “7x^4 + 3” is not 35x^4 + 3.
- C. 35x^5 + 3
Why not C: “35x^5 + 3” is not 35x^4 + 3.
- D. 35x^4
Why not D: “35x^4” is not 35x^4 + 3.
Correct answer
A. 35x^4 + 3
Explanation
35x^4 + 3 is the value that answers “What is the derivative of f(x) = 7x^5 + 3x + 7” (option A). Option B (7x^4 + 3) is a different value from 35x^4 + 3. Option C (35x^5 + 3) is a different value from 35x^4 + 3. Option D (35x^4) is a different value from 35x^4 + 3. Keep 35x^4 + 3 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, 5x^4 + 3, 35x^4 + 3
Submitted by: MCQsHub Editorial