What is the vertex form of the quadratic function with the vertex (-2, 5)?
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What is the average number of goals scored by a soccer team in the past 10 matches if they scored 20, 15, 18, 22, 17, 19, 16, 21, 20, and 24 goals consecutively?
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What is the equation of an exponential function that passes through the points (2, 5) and (4, 20)?