Math question: Find the equation of a quadratic function given the vertex (2, -5) and the point (4, 3).
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Math question: What is the result of dividing 2/3 by 4/5 when rounded to the nearest thousandth?
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What are the characteristics of the ellipse function given by (x^2/a^2) + (y^2/b^2) = 1? Discuss the major and minor axes, center, foci, and eccentricity.