What is the derivative of f(x) = 4x^2 + 8x + -7?
- A. 8x^1
- B. 8x^2 + 8
- C. 8x + 8 ✓
- D. 4x^1 + 8
Correct answer
C. 8x + 8
Explanation
Using the power rule, the derivative of 4x^2 is 8x^1, the derivative of 8x is 8, and the derivative of the constant -7 is 0. So f'(x) = 8x + 8.
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