Math question: Find the limit as x approaches 4 of (3x^2 - 8x + 5) / (x - 4).
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What are the characteristics of the quadratic function f(x) = x^2? How does the graph of f(x) open and what is the vertex of the graph? What is the range and domain of f(x)? Give a real-world example.
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Math Question: What is the sine value of an angle whose terminal side intersects the unit circle at the point (0, -1)?