Question

The U.S. census lists the population of the United States as 227 million in 1980, 249 million in 1990, and 281 million in 2000. Fit a second-degree polynomial passing through these three points and use it to predict the population in 2014 and in 2018.† (Round your answers to the nearest million.)

STEP 1:

Let x represent the year. Write a polynomial in t where t = x – 1990.
p(t) =

STEP 2:

Substitute the appropriate values of t for the predictions. (Round your answers to the nearest integer.)

2014 prediction	million
2018 prediction	million

Answer 1

Answer:

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