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.
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What is the derivative of the hyperbolic function f(x) = sinh(2x) + cosh(3x) at x = 0?
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Find the limit as x tends to 2 of (2x^2+5)/(3x-4).