What are the characteristics of the circle function defined as x^2 + y^2 = r^2, where r represents the radius? Discuss its origin, symmetry, and possible values of x and y.
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What is the vertical asymptote of the reciprocal function f(x) = 1/x? (up to 200 characters)
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Question: In how many ways can a committee of 3 members be chosen from a group of 8 people?