What is the derivative of f(x) = 2x^2 + 2x + 1?
- A. 2x^1 + 2
- B. 4x^2 + 2
- C. 4x^1
- D. 4x + 2 ✓
Correct answer
D. 4x + 2
Explanation
Using the power rule, the derivative of 2x^2 is 4x^1, the derivative of 2x is 2, and the derivative of the constant 1 is 0. So f'(x) = 4x + 2.
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