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Question

The teenage birthrate in Country A has declined since 1994. Let​f(t)be the birthrate​(numberof births per 1000

women ages​15-19)at t years since 1990.

a. What is the equation of​ f?

​f(t)equals

nothing​(Useintegers or decimals for any numbers in the expression. Round to the nearest hundredth as​needed.)

b. Use the model to predict the birthrate in 2015.

The model predicts that the birthrate will be 

nothing



births per 1000 women ages​ 15-19.

​(Roundto the nearest tenth as​needed.)

Assuming that there will be 

10 comma 450

​,000

teenage women in Country​A,use the predicted birthrate to estimate the number of births to women ages​15-19in 2015.

The model predicts that there will be 

nothing



births to teenage mothers in 2015.

​(Roundto the nearest whole number as​needed.)

c. According to the​model,after what year will the birthrate will be less than 

10



births per 1000 women ages​15-19?

nothing



​(Roundup to the nearest​year.)

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