What is the maximum value of the function f(x) = 2x^2 - 5x + 3?
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What is the speed in meters per second if a car travels 300 meters in 20 seconds?
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What is the standard form equation for an ellipse with vertices (–4, 0) and (4, 0), endpoints of major axis (0, –5) and (0, 5), and foci (–3, 0) and (3, 0)?