The initial price of buzz.com stock is $10 per share. After 20 days the stock price is $25 per share and after 40 days the price is $35 per share. Assume that while the price of the stock is not 0, it can be modeled by a quadratic function. Find the multipart function s(t) giving the stock price after t days for when 0 <= t <= 151 and for when t > 151.

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