Question: "Given the exponential function y = 2^x, graph it, indicating the behavior of the function as x increases or decreases. Calculate the value of y when x = 3.
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What are the characteristics of a circle defined by the equation x^2 + y^2 = r^2? Explain the meaning of each term and how they determine the shape and properties of the circle.
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What is the domain of the trigonometric function f(x) = sin(x) + cos(2x)?