The circulation M, in thousands, of a magazine depends on the time t, in tears, since initial publication. The following relationship is valid over the first 7.00 years M= t^2 (7-t)+5 A) what was the max circulation B) when did magazine circulation reach a maximum circulation

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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.