What is the amplitude, period, and phase shift of the sine function f(x) = sin x? How does changing the values of these characteristics affect the graph?
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What is the slope of a line passing through the points (2,5) and (4,11)?
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What are the characteristics of the ellipse function with equation (x-h)^2/a^2 + (y-k)^2/b^2 = 1?