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Consider the followmg scenario: Over a penod of 5 years, the level of water In a lake drops slowly at first, then much more rapidly. During the next 5 year, the water level in the lake remains stable. Over the next 3 years, the water level rises slowty. and after another 2 years of more rapid increase In water level. The lake is back to its original level from 15 years before . Describe a function that this scenario gives rise to Sketch a graph that could be the graph of this function. Explain how features of your graph correspond to events described in the Previous scenario .
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