94. Birthrate of Unmarried Women In the United States, the birthrate B of unmarried women (births per 1000 unmarried women) for women whose age is a is modeled by the function B(a) = -0.27a? + 14.23a – 120.16. (a) What is the age of unmarried women with the highest birthrate? (b) What is the highest birthrate of unmarried women? (c) Evaluate and interpret B(40). Source: United States Statistical Abstract, 2009

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