Posted by **David.** on Sunday, October 18, 2009 at 9:36pm.

The Temperature T of food put in a freezer is

T = (700) / t^2+4t+10

where t is the time in hours. Find the rate of change of T with respect to t at each of the following times.

a. t=1

b. t=3

c. t=5

d. t=10

** i'll be able to do the others on my own if you please explain step by step how to do at least one of these. I have now idea where to start. SOMEONE PLEASE HELP ME A.S.A.P ! :(

THANK YOU.

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