What is the derivative of f(x) = 3x² + 5x - 7?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 6x + 5.
- A. 6x + 5 ✓
- B. 3x + 5
Why not B: “3x + 5” is not 6x + 5.
- C. 6x - 7
Why not C: “6x - 7” is not 6x + 5.
- D. 6x² + 5
Why not D: “6x² + 5” is not 6x + 5.
Correct answer
A. 6x + 5
Explanation
6x + 5 is the value that answers “What is the derivative of f(x) = 3x² + 5x - 7” (option A). Option B (3x + 5) is a different value from 6x + 5. Option C (6x - 7) is a different value from 6x + 5. Option D (6x² + 5) is a different value from 6x + 5. Keep 6x + 5 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, AP Calculus, Derivatives
Submitted by: MCQsHub Editorial
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