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When I try that seed it works if you shift the graph in the conventional manner (i.e. by moving the point P to the right).
If you move P to the left to obtain an equivalent graph you get a message indicating that you have shifted in the wrong direction. I'm not sure whether that should be marked correct, since there is the tacit assumption that since the point P starts on the graph of y=cos(x) that you should move P to its image under the transformations done to y=cos(x).
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dlglin commentedon Sep 19, 2024
When I try that seed it works if you shift the graph in the conventional manner (i.e. by moving the point P to the right).
If you move P to the left to obtain an equivalent graph you get a message indicating that you have shifted in the wrong direction. I'm not sure whether that should be marked correct, since there is the tacit assumption that since the point P starts on the graph of y=cos(x) that you should move P to its image under the transformations done to y=cos(x).