What is the derivative of f(x) = 3x^4 + 1x + -6?
- A. 12x^3 + 1 ✓
- B. 12x^4 + 1
- C. 12x^3
- D. 3x^3 + 1
Correct answer
A. 12x^3 + 1
Explanation
Using the power rule, the derivative of 3x^4 is 12x^3, the derivative of 1x is 1, and the derivative of the constant -6 is 0. So f'(x) = 12x^3 + 1.
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