Math question: Find the equation of an exponential function that represents a basic shape of a graph with an asymptote at y = 0 and a horizontal stretch of 2.
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Find the derivative of f(x) = 7x^3 + 5x^2 - 2sqrt(x) - 4cos(x) - sin(x)
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Math Question: "Find the derivative of f(x) = 3x^2 + 2x - 1."