What are the solutions to the quadratic equation 2x^2 + 4x - 6 = 0?
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What is the result of evaluating the function f(x) = 3x^2 - 2x + 5 for x = 2?
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Question: Find the amplitude, period, phase shift, and vertical shift of the cosine function f(x) = cos(x). Identify the coordinates of the maximum and minimum points on its graph.