What are the characteristics of the parabola function y = ax^2? How does the value of 'a' affect the shape, vertex, axis, and direction of opening of the parabola?
+
What's the area of a square with a side length of 5cm?
+
Math question: What is the derivative of f(x) = e^x + 2x^3 - 3sin(x) with respect to x?