MY NOTES Find the points of inflection of the graph of the function. (Round your answers...

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MY NOTES Find the points of inflection of the graph of the function. (Round your answers to three decimal places. If an answer does not exist, enter DNE.) f(x) = 4 sin x + sin 2x, [0,2] (x, y) = (smallest x-value) (x, y) = ) (x, y) = (largest x-value) Describe the concavity. (Enter your answers using interval notation. Round your answers to three decimal places. If an answer does not exist, enter DNE.) concave upward concave downward MY NOTES Find the points of inflection of the graph of the function. (Round your answers to three decimal places. If an answer does not exist, enter DNE.) f(x) = 4 sin x + sin 2x, [0,2] (x, y) = (smallest x-value) (x, y) = ) (x, y) = (largest x-value) Describe the concavity. (Enter your answers using interval notation. Round your answers to three decimal places. If an answer does not exist, enter DNE.) concave upward concave downward