Math question: Find the limit of (3x^2 + 2x + 1)/(x^2 - 1) as x approaches 1.
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What is the x-coordinate of the vertical asymptote of the reciprocal/rational function f(x) = 1/x?
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Math question: A right triangle has one angle measuring 30 degrees, and the side opposite to this angle has a length of 5 units. What is the length of the hypotenuse?