What is the derivative of f(x) = 7x^5 + 1x + -3?
- A. 35x^4
- B. 35x^4 + 1 ✓
- C. 7x^4 + 1
- D. 35x^5 + 1
Correct answer
B. 35x^4 + 1
Explanation
Using the power rule, the derivative of 7x^5 is 35x^4, the derivative of 1x is 1, and the derivative of the constant -3 is 0. So f'(x) = 35x^4 + 1.
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