Question: This question has two parts. First, answer Part A. Then, answer Part B. Part A Suppose you are given the function f (x) = sinc

This question has two parts. First, answer Part A. Then, answer Part B. Part A Suppose you are given the function f (x) = sinc + bcos . Which of the following relationships will ensure that a local extremum occurs at x = k in the interval (0, ? )? O A. b= -2 cot k O B. b= - cot k O C. b= - tank O D. b = cot k O E. b = tank Part B Which of the following relationships will ensure that an inflection point occurs at x = k in the interval (0, )
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