Straight-line Depreciation Suppose that a company has justpurchased a new machine for its manufacturing facility for$120,000. The company chooses to depreciate the machineusing the straight-line method over 10 years.(a) Write a linear model that expresses the book value V ofthe machine as a function of its age x.(b) What is the implied domain of the function found inpart (a)?(c) Graph the linear function.(d) What is the book value of the machine after 4 years?(e) When will the machine have a book value of $72,000?

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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.