What is the derivative of f(x) = 6x^4 + 9x + -4?
- A. 24x^4 + 9
- B. 6x^3 + 9
- C. 24x^3
- D. 24x^3 + 9 ✓
Correct answer
D. 24x^3 + 9
Explanation
Using the power rule, the derivative of 6x^4 is 24x^3, the derivative of 9x is 9, and the derivative of the constant -4 is 0. So f'(x) = 24x^3 + 9.
Submitted by: MCQsHub Editorial
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