Question: "What is the equation for the exponential function that has a y-intercept at (0, 4), and its graph passes through the points (2, 8) and (4, 64)?
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Math question: Find the area of a triangle with side lengths 12, 16, and 20, using Heron's Formula.
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What is the vertex of the parabola π¦ = 2π₯Β² - 4π₯ + 1?