36. Revenue from New Home Sales Revenue from the sale of new homes in the United States decreased dramatically from 2005 to 2010 as shown in the model r(t) = 412e-0.323t billion dollars per year (0

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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.