Question: Let f be the function defined as follows.y = f(x)=3x29x +9(a)Find the differential of f.dy =(6x9)dx(b)Use your result from part (a) to find the approximate

Let f be the function defined as follows.y = f(x)=3x29x +9(a)Find the differential of f.dy =(6x9)dx(b)Use your result from part (a) to find the approximate change in y if x changes from 2 to 1.97.(Round your answer to two decimal places.)dy =(c)Find the actual change in y if x changes from 2 to 1.97 and compare your result with that obtained in part (b).(Round your answer to two decimal places.)y =

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