What is the derivative of f(x) = 9x^2 + 2x + 0?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: C. 18x + 2.
- A. 18x^2 + 2
Why not A: “18x^2 + 2” is not 18x + 2.
- B. 18x^1
Why not B: “18x^1” is not 18x + 2.
- C. 18x + 2 ✓
- D. 9x^1 + 2
Why not D: “9x^1 + 2” is not 18x + 2.
Correct answer
C. 18x + 2
Explanation
18x + 2 is the value that answers “What is the derivative of f(x) = 9x^2 + 2x + 0” (option C). Option A (18x^2 + 2) is a different value from 18x + 2. Option B (18x^1) is a different value from 18x + 2. Option D (9x^1 + 2) is a different value from 18x + 2. Keep 18x + 2 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 18x + 2
Submitted by: MCQsHub Editorial