What is the derivative of f(x) = 6x^4 + 5x + -1?
- A. 24x^3
- B. 24x^4 + 5
- C. 6x^3 + 5
- D. 24x^3 + 5 ✓
Correct answer
D. 24x^3 + 5
Explanation
Using the power rule, the derivative of 6x^4 is 24x^3, the derivative of 5x is 5, and the derivative of the constant -1 is 0. So f'(x) = 24x^3 + 5.
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