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Mathematics 19 Online
OpenStudy (anonymous):

At time t, in hours, a lake is covered with ice of thickness y cm, where y=0.6*t^1.7 ..... If ice forms for 0<= t <=3, at what time in this interval is the ice thickest? At what time is the ice forming fastest? thickest at t = ? forming fastest at t= ? (please give units too)

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