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Answer the following questions about the function whose derivative is given below. a. What are the...

Answer the following questions about the function whose derivative is given below.

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?

f′(x)= (5sinx−5)(2cosx+3) , 0 ≤ x ≤ 2π

   

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