What is the derivative of f(x) = 7x^2 + 1x + 9?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: A. 14x + 1.
- A. 14x + 1 ✓
- B. 14x^2 + 1
Why not B: “14x^2 + 1” is not 14x + 1.
- C. 14x^1
Why not C: “14x^1” is not 14x + 1.
- D. 7x^1 + 1
Why not D: “7x^1 + 1” is not 14x + 1.
Correct answer
A. 14x + 1
Explanation
14x + 1 is the value that answers “What is the derivative of f(x) = 7x^2 + 1x + 9” (option A). Option B (14x^2 + 1) is a different value from 14x + 1. Option C (14x^1) is a different value from 14x + 1. Option D (7x^1 + 1) is a different value from 14x + 1. Keep 14x + 1 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: logical reasoning, AP Calculus, Derivatives, derivative MCQ, derivative calculation MCQ, find derivative MCQ, derivative questions, calculus MCQs
Submitted by: MCQsHub Editorial