2. The function R(x) = -1.07x² + (K + 12.3)x – 116 shows the relation between the revenue (R) and number of sold products (x). Graph the function R(x) and show in the graph the maximum revenue value. Give your comments.

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A: Here I am attaching image so that you understand each and every step.

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A: NOTE: Refresh your page if you can't see any equations. .

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