precalculus question

Sep 2nd, 2015
Price: $5 USD

Question description

A hot bowl of soup cools according to newtons law of cooling. Its temperature (in farenheit) at time t is given by T(t)=68+144e^-0.04t, where t is given in minutes.

a.What is the initial temp erature (at time t=0) of the soup? 

b.what is the temp of soup when t=15 minutes? the nearest whole minute, at what time t is the soups temperature 125 degrees F? 

Explain each step thouroughly. 

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