The mortality rate for children under 5 years of age around the world has been declining in

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The mortality rate for children under 5 years of age around the world has been declining in a roughly linear fashion in recent years. The rate per 1000 live births was 90 in 1990 and 65 in 2008.

a. Determine a linear equation that approximates the mortality rate in terms of time , where t represents the number of years since 1900.

b. If this trend continues, in what year will the mortality rate first drop to 50 or below per 1000 live births

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Calculus With Applications

ISBN: 9780321831101

10th Edition

Authors: Margaret L Lial, Raymond N Greenwell, Nathan P Ritchey

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