What is the derivative of f(x) = 1x^5 + 4x + -7?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 5x^4 + 4.
- A. 5x^4 + 4 ✓
- B. 5x^5 + 4
Why not B: “5x^5 + 4” is not 5x^4 + 4.
- C. 5x^4
Why not C: “5x^4” is not 5x^4 + 4.
- D. 1x^4 + 4
Why not D: “1x^4 + 4” is not 5x^4 + 4.
Correct answer
A. 5x^4 + 4
Explanation
5x^4 + 4 is the value that answers “What is the derivative of f(x) = 1x^5 + 4x + -7” (option A). Option B (5x^5 + 4) is a different value from 5x^4 + 4. Option C (5x^4) is a different value from 5x^4 + 4. Option D (1x^4 + 4) is a different value from 5x^4 + 4. Keep 5x^4 + 4 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 5x^4 + 4
Submitted by: MCQsHub Editorial