What are the characteristics of the parabola function 𝑦 = 𝑎𝑥^2? How does changing the value of 𝑎 affect the shape, direction, and vertex of the parabola?
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What is the period of the function f(x) = cot(x)? (Enter your answer in terms of π)
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What is the radius of a circle with circumference 50 units?