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Hey can someone please help? If the point (2,9) is on the graph of y=f(x), then there is one point which must be on the graph of y=f(-x). What is the sum of that point's coordinates?

 Oct 21, 2020
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The point is (-2,-9), and the sum of the coordinates is (-2) + (-9) = -11.

 Oct 31, 2020

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