What is the equation of an exponential function that has a base of 2 and passes through the points (0,1) and (3,8)?
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What is the dot product of vectors u = (3, -2) and v = (-1, 4)?
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What is the equation of a quadratic function whose graph is a downward-opening parabola, has a vertex at (2, -3), and passes through the point (4, -5)?