What is the derivative of y = sin(2x) + cos(3x) - tan(4x) at x = π/6?
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Question: Consider the quadratic function f(x) = 2x^2 - 3x - 1. Graph f(x) and determine the coordinates of the vertex and the x-intercepts of the graph.
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Math question: What is the limit of (x^2 - 1)/(x - 1) as x approaches 1?