What is the definite integral of f(x) = 3x^2 from x = 1 to x = 4?
+
Find the value of x in the equation 3(x+1)-2(3x-2) = 7x-5.
+
Math question: What is the equation of the quadratic function whose graph opens upward, with the vertex at (1, 2) and passing through the point (3, 5)?