2012 AP Calculus BC Multiple Choice Practice Exam Free Download
2012 AP 微積分 BC 模擬卷選擇題部分免費下載
此套Section I試卷共分兩個部分組成
Part A計時55分鐘,共28題
Part B計時50分鐘,共17題
每道大題含有不同數量的小題
Part A需使用鉛筆,無計算器
Part B可使用繪圖計算器
完整版下載鏈接見文末
部分真題預覽:
Section I,Part A,不可使用任何計算器:
2)The position of a particle moving in the xy-plane is given by the parametric euqations x(t) = t3 - 3t2 and y(t) = 12t -3t2. At which of the following points (x,y) is the particle at rest?
(-4,12)
(-3,6)
(-2,9)
(0,0)
(3,4)
8)A tank contains 50 liters of oil at time t =4 hours. Oil is being pumped into the tank at a rate R(t), where R(t) is measured in liters per hour, and t is measured in hours. Selected values of R(t) are given in the table above. Using a right Riemann sum with three subintervals and data from the table, whatis the approximation of the number of liters of oil that are in the tank at time t =15 hours?
64.9
68.2
114.9
116.6
118.2
12)The point (-1,-1) and (1,5) are on the graph of a function y = f(x) that satisfies the differential equation dy/dx=x2+y.Which of the following must be true?
(1,-5) is a local maximum of f
(1,-5) is a point of inflection of the graph of f
(-1,-1) is a local maximum of f
(-1,-1) is a local minimum of f
(-1,-1) is a point of inflection of the graph of f
16)Let y=f(x) be the solution to the differential equation dy/dx = x-y with initial condition f(1)=3. What is the approximation for f(2) obtained by using Euler's method with two steps of equal length starting at x=1?
-5/4
1
7/4
2
21/4
Section II,Part B,請使用Graphing Calculator:
76)The function f, whose graph is shown above, is defined on the interval -2≤x≤2. Which of the following statements about f? is false?
f?is continuous at x=0.
f?is differentiable at x=0.
f?has a critical point at x=0.
f?has an absolute minimum at x=0.
The concavity of the graph of f changes at x=0.
80)The graph of f ', the derivative of the function f, is shown above. Which of the following statements must be true?
f has a relative minimum at x = -3.
The graph of f has a point of inflection at x = -2.