What is the derivative of f(x) = 8x^4 + 8x + 4?
- A. 32x^4 + 8
- B. 32x^3
- C. 32x^3 + 8 ✓
- D. 8x^3 + 8
Correct answer
C. 32x^3 + 8
Explanation
Using the power rule, the derivative of 8x^4 is 32x^3, the derivative of 8x is 8, and the derivative of the constant 4 is 0. So f'(x) = 32x^3 + 8.
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