Find the domain of the function f(x) = tan(x) - sec(x), where x is in radians.
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Math question: "Graph the exponential function f(x) = 2^x over the interval -2 β€ x β€ 3. What are the coordinates of the x-intercept and y-intercept? How would you describe the end behavior of the graph?"
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What is the limit of the product of two functions: f(x) = 2x and g(x) = sin(x), as x approaches infinity?