what restrictions have to be placed on n and t

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a smart phone reseller receives a shipment of 250 phones of a new model at a retail store. the exponential function n(t)=250(2)-t gives the number of phones,n,left after t hours. what is the meaning and value of n(0) n(2)?n(10)

Apr 30th, 2015

They are simply asking how many phones came in after a certain amount of time in what appears to be an equations saying that 250 phones are coming in per hour.

In the equation n(t) = 250(t)

You would simply replace the t on both sides of the equation with the time and derive the number of phones that came in after a certain amount of time.

At 0 hours it would be n(0) = 250(0) = 0 phones

2 hours n(2) = 250(2) = 500 phones

n(10) = 2,500 phones

Apr 30th, 2015

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Apr 30th, 2015
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Apr 30th, 2015
Jun 26th, 2017
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