For the graph shown, identify a) the point(s) of inflection and b) the intervals where the function is concave up or concave down. a) The point(s) of inflection is/are (Type an ordered pair. Use a comma to separate answers as needed.) b) Identify the intervals where the function is concave up or concave down. The function is concave up on and concave down on (Simplify your answers. Type your answers in interval notation. Use a comma to separate answers as needed.

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