What is the measure of an angle in radians that, when multiplied by $\frac{180}{\pi}$, equals $7\pi$?
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What is the end behavior of the cubic function f(x) = x^3? Does the function approach positive or negative infinity as x approaches positive or negative infinity?
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What is the derivative of f(g(x)) if f'(x) = 3x^2 - 2x and g'(x) = cos(x)?