lopezhailey317
03.10.2019 •
Mathematics
If the rate of inflation is 1.9% per yeta, the future price p(t) in dollars of a certain item can be modeled by the following exponential function, where t is the number of years from today
p(t)=2000(1.019t$
find the current price of the item and the price 10 years from today.round answer in nearest dollars
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Ответ:
P(0) = 2000
P(10) = 2414
Step-by-step explanation:
The price for today is given by P(t) when t=0. Put 0 where t is, and do the arithmetic.
P(0) = 2000·1.019^0 = 2000
The price in 10 years is given by P(t) when t=10. Put 10 where t is, and do the arithmetic.
P(10) = 2000·1.019^10 ≈ 2000·1.207096 ≈ 2414
Ответ:
2. PD=AP*PC/BP=4*8/5=6.4
3. YX=sqrt(YV*YZ)=sqrt(9*19)=13.08