The number of online video viewers in the United States was growing at the rate of r(t)=9.045e0.067t     (0 ≤ t ≤ 5) million viewers/year between 2008 (t = 0)and 2013 (t = 5).The number of viewers stood at 135 million in 2008.† a. Find an expression giving the number of online video viewers in year t. b.How many viewers were there in 2009? (Round your answer to one decimal place.) C.How many viewers were there in 2013? (Round your answer to one decimal place.)

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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.