What is the derivative of f(x) = 5x^5 + 1x + 2?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: B. 25x^4 + 1.
- A. 25x^5 + 1
Why not A: “25x^5 + 1” is not 25x^4 + 1.
- B. 25x^4 + 1 ✓
- C. 25x^4
Why not C: “25x^4” is not 25x^4 + 1.
- D. 5x^4 + 1
Why not D: “5x^4 + 1” is not 25x^4 + 1.
Correct answer
B. 25x^4 + 1
Explanation
25x^4 + 1 is the value that answers “What is the derivative of f(x) = 5x^5 + 1x + 2” (option B). Option A (25x^5 + 1) is a different value from 25x^4 + 1. Option C (25x^4) is a different value from 25x^4 + 1. Option D (5x^4 + 1) is a different value from 25x^4 + 1. Keep 25x^4 + 1 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 25x^4 + 1
Submitted by: MCQsHub Editorial