During a certain flu epidemic, the total number T of patients diagnosed with the flu after d days is given in the table below. d 0 5 10 15 20 T 35 41 47 53 59 (a) Check differences to show that these are linear data. T is a not linear function or T is a linear function?    (b) What is the practical meaning of the slope? The slope represents the total number of cases each day or The slope represents the number of new cases per day  ?

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A: Thanks for the question :)And your upvote will be really appreciable ;) (c) slope= 1.2

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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.