What is the derivative of f(x) = 1x^2 + 3x + 5?
- A. 2x^1
- B. 1x^1 + 3
- C. 2x^2 + 3
- D. 2x + 3 ✓
Correct answer
D. 2x + 3
Explanation
Using the power rule, the derivative of 1x^2 is 2x^1, the derivative of 3x is 3, and the derivative of the constant 5 is 0. So f'(x) = 2x + 3.