Determine where the function is (a) increasing; (b) decreasing; and (c) determine where relative extrema occur. Do not sketch the graph. y = 9x-x +7 (a) For which interval(s) is the function increasing? Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The function is increasing on (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function is never increasing.

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Q: Determine the open intervals on which the graph is concave upward or concave downward. (Enter your…

A: g(x) = x2+94-x2g'x = ddxx2+9 . 4-x2-x2+9 . ddx4-x24-x22= 2x+04-x2-x2+90-2x4-x22= 2xx2+9+2x4-x24-x22=…

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A: From the given figure, it is observed that the graph is constant on (-∞, -1]  and  [1, ∞).

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Q: Determine the open intervals on which the graph is concave upward or concave downward. (Enter your…

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