Question
Find the intervals on which the graph of f is concave upward, the intervals on which the graph of f is concave downward, and
Find the intervals on which the graph of f is concave upward, the intervals on which the graph of f is concave downward, and the inflection points. f(x) = In (x-4x+ 20) w, ,, (Type your answer in interval notation. Type an exact answer. Use a comma to separate answers as neede OB. The graph is never concave downward. Determine the x coordinates of any inflection points of the graph of f(x). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. x= (Type an exact answer. Use a comma to separate answers as needed.) There are no inflection points
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