at time t, in hours, a lake is covered with ice of thickness y cm, where y = .5 t^1.5 . if ice forms for 0 <= t <= 6, at w hat time in this interval is the ice thickest? at what time is the ice forming fastest?
1 answer:
Y = .5 * t^(1.5) Points on the graph are: ( 0, 0 ) , ( 1 , .5 ), ( 2 1.41 ), ( 3, 2.5985 ), ( 4 , 4 ), ( 5 , 5.59 ) , ( 6, 7.34 ). Answer: The ice is thickest at t = 6 . The ice is forming fastest at t = 6 .
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