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Old 05-07-2008, 02:33 PM   #1
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Question AB Calc

Ok, so lets say a formula for getting the area of some section on a graph did not have a 2 in front of it. Example: the washer method, but instead of the pi times the integral, you put 2pi times the integral. How much do you think ETS would take off. free response.

Btw. Just to be on the safe side, this has nothing to do with the administered test just today. This was from a practice test.
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Old 05-07-2008, 02:40 PM   #2
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It depends on how many points are allocated to that particular portion of the FRQ and the grader. I would assume if it were a 1 point part, you get 0 points. it really depends...if you took this from a practice test, doesn't it have the solutions with explanations?
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Old 05-07-2008, 02:47 PM   #3
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Usually on an area/volume question, the limits of integration and/or any constants are worth one point and you would lose it.
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Old 05-07-2008, 02:48 PM   #4
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They distribute the points to all parts of the integral. If you got your bounds right, that's probably a point. I am not sure if they would consider your integrand correct or not because that 2pi is a constant that could be in the integral.
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Old 05-07-2008, 02:51 PM   #5
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I'm not sure if the 2pi is part of the integrand point or part of the answer point, but it's certainly one or the other and not both.
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