AP Calc BC Discussion

Test Preparation AP Test Preparation
81

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B does seem pretty easy, but A was not too difficult. I'm sure even if they don't use two different curves and see a major difference between the grades of the two exams, they will probably do something in order to prevent any court action.

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<p>I highly doubt court action can come of this anyway. In order for there to be court action, people would have to know the curves are different. In order for people to know the curves are different, the curves would have to be released. Since the curves aren't released, there's no way for anybody to know that their test was scored unfairly.</p>

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<p>For the semi-circle one, since half of the shaded area is above the x-axis and half is below, isn't the area 0?</p>

83

<p>Can anyone come up with a rough scoring guide for each FR?</p>

<p>I'm such an idiot - I found the wrong area for R in #1, and for the water problem, for part A, I did water coming in AND water coming out. I hate myself.</p>

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<p>I did the same thing. I assume we will get some points (not full points) because we did more work and we still took the integral of t^2sin(t^2) or what ever the equation was</p>

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<p>If our method was correct, but just longer, then I think we should get full points.</p>

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<p>Thanks TheMathProf. Kudos for another awesome post.</p>

<p>@Noober: Your justification for b is a little itchy. They want you to prove that the function is concave up for all x between 1 and 3. Basically just state this fact (2xln(x) + x > 0 for all x between 1 and 3) and I think you will get credit (correct me if I am wrong).</p>