What is the derivative of f(x) = 2x^3 + 1x + -1?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: C. 6x^2 + 1.
- A. 6x^3 + 1
Why not A: “6x^3 + 1” is not 6x^2 + 1.
- B. 2x^2 + 1
Why not B: “2x^2 + 1” is not 6x^2 + 1.
- C. 6x^2 + 1 ✓
- D. 6x^2
Why not D: “6x^2” is not 6x^2 + 1.
Correct answer
C. 6x^2 + 1
Explanation
6x^2 + 1 is the value that answers “What is the derivative of f(x) = 2x^3 + 1x + -1” (option C). Option A (6x^3 + 1) is a different value from 6x^2 + 1. Option B (2x^2 + 1) is a different value from 6x^2 + 1. Option D (6x^2) is a different value from 6x^2 + 1. Keep 6x^2 + 1 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: AP Calculus, Derivatives, derivative MCQ, derivative calculation MCQ, derivative questions, calculus MCQs
Submitted by: MCQsHub Editorial