In a city with a population of 160,000, there are currently 1,000 cases of hepatitis. If the spread of the disease is projected by the following logistic function, how many people will contract the hepatitis virus after 4 years? (Round your answer to the whole number.) P(t) =  160,000 1 + (160 − 1)e−0.2t

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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.