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2012年AP微积分BC简答题真题+答案+PDF下载

来源:原创作品 | 2019-11-2628

2012年AP微积分BC简答题真题+答案+PDF下载SectionII,PartA,请使用GraphingCalculator:1)Thetemperatureofwaterinatubattimetismodeledbyastrictlyincreasing,twice-differentiablefunctionW...

2012年AP微积分BC简答题真题+答案+PDF下载

Section II,Part A,请使用Graphing Calculator:

1) The temperature of water in a tub at time t is modeled by a strictly increasing, twice-differentiable function W, where W(t) is measured in degrees Fahrenheit and t is measured in minutes. At time t = 0, the temperature of the water is 55 °F. The water is heated for 30 minutes, beginning at time t = 0. Values of W(t) at selected times t for the first 20 minutes are given in the table above.

Use the data in the table to estimate W ‘ (12) . Show the computations that lead to your answer. Using correct units, interpret the meaning of your answer in the context of this problem.

Use the data in the table to evaluate. Using correct units, interpret the meaning of in the context of this problem.

For 0 ≤t ≤ 20, the average temperature of the water in the tub is. Use a left Riemann sum with the four subintervals indicated by the data in the table to approximate . Does this approximation overestimate or underestimate the average temperature of the water over these 20 minutes? Explain your reasoning.

For 20 ≤t ≤25, the function W that models the water temperature has first derivative given by W ‘(t)=(0.4√t )cos(0.06t). Based on the model, what is the temperature of the water at time t = 25?


2)

(a) Is the horizontal movement of the particle to the left or to the right at time t= 2 ? Explain your answer.Find the slope of the path of the particle at time t= 2.
(b) Find the x-coordinate of the particle’s position at time t=4.
(c) Find the speed of the particle at time t=4. Find the acceleration vector of the particle at time t=4.
(d) Find the distance traveled by the particle from time t=2 to t=4.


SECTION II, Part B部分

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天道智思提供AP微积分BC课程培训,具体内容如下

科目 智思5分率 师资 课程目标 课程大纲 教材
AP微积分BC
Calculus BC
91.1% 许和鑫,
黄欣
完成AP微积分BC阶段的知识点的学习。通过系统地梳理,充分的练习熟悉考试的题型和难点重点,冲5分。 课次1-2 Derivatives I &Application of Derivatives I Barron 和 Princeton版教材
课次3-4 Application of Derivatives II&
The Definite Integral
课次5-6 Differential Equation &
Application of Definite Integrals
课次7-8 L' Hôpital's Rule, Improper Integrals&
Parametric vector, Polar functions
课次9-10 Infinite series I&
Infinite series II
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