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up and concave down Identify the inflection points and local maxima and minima of the graphed function. Identify the open intervals on which the function is differentiable and 's concave y - 3 - x - 15x Find the inflection point(s) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ( A. The point(s) is/are (Type an ordered pair. Simplify your answer. Use a comma to separate answers as needed.) O B. There are no inflection points Find each local maximum, Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice O A. There is one local maximum value of atx= (Simplify your answers) O B. There are two local maxima. In increasing order of x-value, the values are and at x = ]and x = ], respectively (Simplify your answers.) O C. There are no local maxima Find each local minimum. Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. There is one local minimum value of at x = (Simplify your answers.) O B. There are two local minima. In increasing order of x-value, the values are ]and atx=| |and x= ]. respectively. (Simplify your answers.) O C. There are no local minima Find the open interval(s) on which the function is differentiable and is concave up. Select the correct choice below and, if necessary, fill in the answer box to complete your choice, O A. The interval(s) isare (Simplify your answer, Use a comma to separate answers as needed. Type your answer in interval notation.) O B. The function is never concave up Find the open interval(s) on which the function is differentiable and is concave down Select the correct choice below and, if necessary, fil in the answer box to complete your choice A. The interval(s) isfare ily your answer Use a comma to separate answers as needed Type your answer in interval notation.)