What is the maximum value of the function f(x) = 2x^3 - 3x^2 + 4x - 1 on the interval [-2, 2]?
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Math question: Prove that if two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, then they are congruent.
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What is the equation of a parabola with a vertex at (2, 5) and opens upwards?