What is the derivative of f(x) = 8x^2 + 8x + -7?
- A. 8x^1 + 8
- B. 16x^2 + 8
- C. 16x^1
- D. 16x + 8 ✓
Correct answer
D. 16x + 8
Explanation
Using the power rule, the derivative of 8x^2 is 16x^1, the derivative of 8x is 8, and the derivative of the constant -7 is 0. So f'(x) = 16x + 8.