Question

Find the value of \( \frac{d}{dx} (3x^2 + 4x + 5) \).

• A. \( 6x + 4 \)
• B. \( 6x + 5 \)
• C. \( 3x + 4 \)
• D. \( 6x + 3 \)

Hint:

Use the power rule for differentiation: \( \frac{d}{dx}(x^n) = n \cdot x^{n-1} \).