Find the value of y if the square root of y is equal to the distance between the origin and the point (4, 3). (
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What is the equation of an ellipse with major axis length of 10 and minor axis length of 8?
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Find the equation of a logarithmic function that shifts right by 2 units, stretches vertically by a factor of 4, and passes through the points (-1, -3) and (3, 1).