Your umpteen posts have been removed.
Once you write up YOUR ATTEMPT at each problem, please re-post, and someone here will be happy to comment.
A satellite which travels around the earth has a power supply that provides power according to the formula:
P =(17200)/(t + 100)
where t is the number of days the satellite is aloft. Find the rate at which power is decreasing after 380 days.
rate in watts/day (enter as a positive number) =
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