Math question: Find the fourth-order derivative of f(x) = 4x^5 - 3x^3 + 2x^2.
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What are the characteristics of the quadratic function f(x) = x^2? How does the graph of this quadratic function look like? What are the axis of symmetry, vertex coordinates, and y-intercept? How would the graph be affected if the coefficient of x^2 were negative instead of positive?
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What is the period of the trigonometric function f(x) = 2sin(3x) - cos(4x)?