What is the length of the altitude of an equilateral triangle with side length 8 units?
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Find the limit as x approaches 3 of (2x^2 - x + 1) / (x - 3).
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Question: "Graph the logarithmic function f(x) = log(base 2)(x+1), for x ranging from -3 to 5 on a Cartesian coordinate system. How many times does the graph intersect the x-axis?