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answer the following questions about the function whose derivative id f'(x)=(x^2(x-4))/(x+6) , x does not equal...

answer the following questions about the function whose derivative id f'(x)=(x^2(x-4))/(x+6) , x does not equal -6

a. what are the critical points of f

b. on what open intervals is f increasing or decreasing

c. at what points, if any, does f assume local maximum and minimum values

Math   Calculus   
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