What is the derivative of f(x) = 7x^5 + 1x + -3?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: B. 35x^4 + 1.
- A. 35x^4
Why not A: “35x^4” is not 35x^4 + 1.
- B. 35x^4 + 1 ✓
- C. 7x^4 + 1
Why not C: “7x^4 + 1” is not 35x^4 + 1.
- D. 35x^5 + 1
Why not D: “35x^5 + 1” is not 35x^4 + 1.
Correct answer
B. 35x^4 + 1
Explanation
35x^4 + 1 is the value that answers “What is the derivative of f(x) = 7x^5 + 1x + -3” (option B). Option A (35x^4) is a different value from 35x^4 + 1. Option C (7x^4 + 1) is a different value from 35x^4 + 1. Option D (35x^5 + 1) is a different value from 35x^4 + 1. Keep 35x^4 + 1 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Basic Maths, Derivatives, derivative MCQ, derivative calculation MCQ, find derivative MCQ, derivative questions
Submitted by: MCQsHub Editorial