What is the probability of choosing a red ball from a bag containing 5 red balls, 3 blue balls, and 2 green balls?
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Math question: Find the derivative of f(x) = sin(x)cos(x) + tan(x) at x = π/4.
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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.