From the above graph we can see that value of this function becomes zero at d=8.929
hence domain of this function is [0,8.929]
Warmest day is the day when the thickness of the ice becomes zero its value is d=8.929
B)
average rate the minus sign shows that thickness is decresing
instantaneous rate =
C)
the average rate and instantaneous rate is different which is because instantaneous rate is it the rate of change about a particular point while average rate is rate of change over a particular period or domain
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