30 QUESTION If the temperature of the turkey is 150 degree F after half an hour,

Question

30

QUESTION

If the temperature of the turkey is 150 degree F after half an hour, what is the temperature after 70 minutes? When will the turkey have cooled to 120 degree ? The table gives the population of the United States, in millions, for the years 1900-2000. Use the exponential model and the census figures for 1900 and 1910 to predict the population in 2000. (Round your answer to the nearest million.) Use the exponential model and the census figures for 1960 and 1970 to predict the population in 2000. Compare with the actual population. Then use this model to predict the population in the years 2010 and 2020. (Round your answers to the nearest million.)

Explanation / Answer

30)

a)92 = 76*e^(k*10)

k = 0.0191

theb P(2000) = 76*e^(0.0191*100) = 513.518 millions

b)203 = 179*e^(k*10)

k = 0.012582

P(2000) = 179*e^( 0.012582*40) = 296.09 millions

P(2010) = 179*e^( 0.012582*50) = 335.7899 millions

P(2020) = 179*e^( 0.012582*60) = 380.811 millions

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