Math question: Find the limit as x approaches 3 of (2x+1)/(x+2).
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What are the characteristics of the cubic function f(x) = x^3? Find the x-intercept, y-intercept, vertex, domain, range, and if it is increasing or decreasing.
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Math Question: What is the measure of the angle subtended by an arc of a circle with a central angle of 120 degrees?