Question The population in a certain town is increasing linearly each year. The population at time t = 4 is 1580 and at time t = 7 is 2000, where t is the number of years after 1990. If P(t) is the population at time t, which of these equations correctly represents this situation? Select the correct answer below: P(1) = 155t + 915 P(t) = 150t + 950 P(t) = 155t + 960 P(1) = 140t + 1010 P(t) = 150t + 980 P(t) = 140t + 1020

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Q: (b)(ii) Find a linear equation 1 + a

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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.