What is the equation of a hyperbola with vertices at (-3,0) and (3,0), and asymptotes given by the equations y = ± (3/2)x?
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What is the period, domain, and range of the function f(x) = cot(x)?
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What is the average income of 100 people surveyed, given that 30% earned $40,000 per year, 50% earned $50,000 per year, and the rest earned $60,000 per year?