What is the derivative of f(x) = 8x^2 + 8x + -7?
Difficulty: Medium
About this MCQ
Medium AP Exams item. Correct choice: D. 16x + 8.
- A. 8x^1 + 8
Why not A: “8x^1 + 8” is not 16x + 8.
- B. 16x^2 + 8
Why not B: “16x^2 + 8” is not 16x + 8.
- C. 16x^1
Why not C: “16x^1” is not 16x + 8.
- D. 16x + 8 ✓
Correct answer
D. 16x + 8
Explanation
16x + 8 is the value that answers “What is the derivative of f(x) = 8x^2 + 8x + -7” (option D). Option A (8x^1 + 8) is a different value from 16x + 8. Option B (16x^2 + 8) is a different value from 16x + 8. Option C (16x^1) is a different value from 16x + 8. Keep 16x + 8 as the AP Exams fact for this stem.
Source: Original practice question, MCQsHub
Tags: Using, derivative Using, Using power, 16x + 8
Submitted by: MCQsHub Editorial