16. From 1940 through 1996 in the United States, the age to which a newborn can expect to live, where t is the number of years since 1940, can be modeled by: f (t) = 1.78/t –0.3 + 62.7 a. According to the model, what is the life expectancy in at birth in 1940? . b. In what year was the life expectancy at birth 75.7 years?

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Q: Log.(50) = %3D

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.