AP-微积分BC选择题样卷二.doc

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1、AP Calculus Practice ExamBC Version - Section I - Part BCalculators ARE Permitted On This Portion Of The Exam17 Questions - 50 Minutes1) The limit of the sequence as n approaches is -3. What is the value of c?a) b) c) d) e) 2) If and y = 3 when x = -2, then what is y?a) b) c) d) e) 3) The graph of t

2、he derivative of f is given below. Which of the following is FALSE about the function f?a) f is increasing on 1,4.b) f is concave down on 1,5/2.c) f is concave down on -3,0).d) f is not differentiable at 0.e) The funciton is constant on (-,-3.4) Determine a) b) c) d) e) 5) Give the area that lies be

3、low the x-axis and is contained within the region bounded by the polar curve a) b) c) d) e) 6) Give the error that occurs when the area between the curve and the x-axis over the interval 0,1 is approximated by the trapezoid rule with n = 4.a) b) c) d) e) 7) Let Determine f(2/3).a) b) c) d) e) 8) Giv

4、e the length of the curve determined by for t from 0 to 2.a) b) c) d) e) 9) Particles A and B leave the origin at the same time and move along the y-axis. Their positions are determined by the functions for t between 0 and 8. What is the velocity of particle B when particle A stops for the first tim

5、e?a) b) c) d) e) 10) The base of a solid is the region in the xy plane enclosed by the curves over the interval 0,/4. Cross sections of the solid perpendicular to the x-axis are squares. Determine the volume of the solid.a) b) c) d) e) 11) Give the minimum value of the function for x 0.a) b) c) d) e

6、) 12) Select the TRUE statement associated with the function a) The graph of the function passes through the origin.b) The function does not have a horizontal asymptote.c) The function has a vertical asymptote at x = 0.d) The graph of the function is symmetric about the x-axis.e) The graph is always

7、 concave up.13) The function g is the derivative of What is the derivative of the inverse of g at x = 3?a) b) c) d) e) 14) The half-life of radium-226 is 1625 years. What percentage of a given amount of the radium will remain after 1000 years?a) 65.34%b) 65.20%c) 65.25%d) 65.35%e) 65.30%15) The func

8、tion f satisfies the equation Evaluate f(/3).a) b) c) d) e) 16) A rectangular box with square base and top is to be made to contain 2160 cubic feet. The material for the base costs 30 cents per square foot, the material for the top costs 50 cents per square foot, and the material for the sides costs

9、 20 cents per square foot. Give the length of one side of the base (in feet) so that the cost is minimized.a) b) c) d) e) 17) Which expression represents the volume of the solid generated when the region between the curves over the interval 0,2 is rotated around the x-axis?a) b) c) d) e) 1) d) 2) e) 3) b) 4) b) 5) e) 6) a) 7) c) 8) c) 9) b) 10) d) 11) c) 12) c) 13) c) 14) e) 15) a) 16) d) 17) a)7 / 7