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I am also preparing for the AP Calculus Exam in 2006 and I can tell you that the points that I saw emphasized most in taking practice former AP tests were solids of rotation (disc, washer, and shell), the fundamental thereom of Calculus (what integral means), U-substitution, derivative rules, Riemann sums, speed, linearization (finding the slope of the tangent line), volume of known cross sections, concavity and inflection points, the area between two curves, differentiability and continuity, local and global extrema (critical points and end points), implicit differentiation equations, trignometric derivatives, the rule of exponential growth (like volume increasing at a rate proportional to the radius), average value of a function, optimization, and related rates. I know that is a lot but I have taken 5 complete practice AP tests (former tests) in class since February and all of these concepts were reccuring.

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