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