What is the derivative of f(x) = 1x^2 + 9x + 2?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: D. 2x + 9.
- A. 2x^2 + 9
Why not A: “2x^2 + 9” is not 2x + 9.
- B. 1x^1 + 9
Why not B: “1x^1 + 9” is not 2x + 9.
- C. 2x^1
Why not C: “2x^1” is not 2x + 9.
- D. 2x + 9 ✓
Correct answer
D. 2x + 9
Explanation
2x + 9 is the value that answers “What is the derivative of f(x) = 1x^2 + 9x + 2” (option D). Option A (2x^2 + 9) is a different value from 2x + 9. Option B (1x^1 + 9) is a different value from 2x + 9. Option C (2x^1) is a different value from 2x + 9. Keep 2x + 9 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: mathematics, Math, AP Calculus, Derivatives, derivative MCQ, derivative calculation MCQ, find derivative MCQ, derivative questions, calculus MCQs
Submitted by: MCQsHub Editorial