What is the derivative of f(x) = 8x^3 + 1x + 7?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: B. 24x^2 + 1.
- A. 24x^3 + 1
Why not A: “24x^3 + 1” is not 24x^2 + 1.
- B. 24x^2 + 1 ✓
- C. 24x^2
Why not C: “24x^2” is not 24x^2 + 1.
- D. 8x^2 + 1
Why not D: “8x^2 + 1” is not 24x^2 + 1.
Correct answer
B. 24x^2 + 1
Explanation
24x^2 + 1 is the value that answers “What is the derivative of f(x) = 8x^3 + 1x + 7” (option B). Option A (24x^3 + 1) is a different value from 24x^2 + 1. Option C (24x^2) is a different value from 24x^2 + 1. Option D (8x^2 + 1) is a different value from 24x^2 + 1. Keep 24x^2 + 1 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 24x^2 + 1
Submitted by: MCQsHub Editorial