What is the standard equation of an ellipse with its longer axis along the x-axis, center at (h, k), and lengths of semi-major and semi-minor axes a and b respectively?
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Find the absolute extrema of the function f(x) = x^2 - 5x + 4 on the interval [1, 4]. (
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Find the equation of the hyperbola with vertices at (-4,0) and (4,0), and a conjugate axis length of 6.