What is the derivative of f(x) = 6x^3 + 6x + -5?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: D. 18x^2 + 6.
- A. 18x^3 + 6
Why not A: “18x^3 + 6” is not 18x^2 + 6.
- B. 18x^2
Why not B: “18x^2” is not 18x^2 + 6.
- C. 6x^2 + 6
Why not C: “6x^2 + 6” is not 18x^2 + 6.
- D. 18x^2 + 6 ✓
Correct answer
D. 18x^2 + 6
Explanation
18x^2 + 6 is the value that answers “What is the derivative of f(x) = 6x^3 + 6x + -5” (option D). Option A (18x^3 + 6) is a different value from 18x^2 + 6. Option B (18x^2) is a different value from 18x^2 + 6. Option C (6x^2 + 6) is a different value from 18x^2 + 6. Keep 18x^2 + 6 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 18x^2 + 6
Submitted by: MCQsHub Editorial