Basic Derivatives 🐸
Find the derivative of the following function: \( f(x) = 3x^2 + 2x - 5 \).
Integration Challenge 🌿
Evaluate the integral: \( \int (2x^3 - 3x^2 + x - 4) \, dx \).
Limit Mastery 🎯
Find the limit: \( \lim_{x \to 0} \frac{\sin(x)}{x} \).