Uploaded by NoVa MathTournament

Final Review 2017

advertisement
AP Calculus BC
Final Exam Review Packet
Integration
1. ∫(3π‘₯ 2 − 2π‘₯ + 3)𝑑π‘₯
4. ∫
1−3𝑦
√2𝑦−3𝑦 2
𝑑𝑦
3π‘₯+4
7. ∫ (π‘₯+2)(π‘₯ 2 +3) 𝑑π‘₯
2. ∫ √4 − 2𝑑 𝑑𝑑
3. ∫(2 − 3π‘₯)5 𝑑π‘₯
5. ∫ 𝑒 π‘₯ 𝑠𝑖𝑛π‘₯ 𝑑π‘₯
6. ∫ π‘₯ 3 𝑒 π‘₯ 𝑑π‘₯
𝑑π‘₯
8. ∫ π‘₯ 2 +3π‘₯−10
3 𝑑𝑦
2𝑦−3
9. ∫2
=
Riemann Sums
x
0
1
2 3 4 5 6
7
8
f(x) 15 12.5 6 -3 -5 2 3.5 7.5 10
10. Some values for a continuous function f(x) are given in the table above. Give an
8
approximation for ∫0 𝑓(π‘₯)𝑑π‘₯ using:
a. the trapezoidal rule with 8 subintervals
b. the left Riemann sum with 8 subintervals
c. the midpoint sum with 4 subintervals
x
0 1
2
3
4
f(x) 0 1.2 4.3 6.5 1
11. Some values for a continuous function f(x) are given in the table above. Give an
4
approximation for ∫0 𝑓(π‘₯)𝑑π‘₯ using:
a. the trapezoidal rule with 4 subintervals
b. the right Riemann sum with 4 subintervals
c. the midpoint sum with 2 subintervals
Motion
12. A particle moves along a line in such a way that its position at time t is given by
𝑠 = 𝑑 3 − 6𝑑 2 + 9𝑑 + 3. When does the particle change direction?
13. A particle moves along a line with velocity 𝑣 = 3𝑑 2 − 6𝑑.
a. What is the total distance traveled from t = 0 to t = 3?
b. What is the net change in the position of the particle from t = 0 to t = 3?
14. During the worst 4-hr period of a hurricane the wind velocity, in miles per hour, is given
by 𝑣(𝑑) = 5𝑑 − 𝑑 2 + 100, 0 ≤ 𝑑 ≤ 4. What is the average wind velocity during this period?
15. The position of a particle moving along a straight line is given by
𝑠 = 𝑑 3 − 6𝑑 2 + 12𝑑 − 8.
a. When is the distance from the starting point increasing?
b. When is the speed of the particle decreasing?
c. When is the acceleration positive?
16. A particle moves in the xy-plane according to the parametric equations π‘₯(𝑑) = 2𝑑 2 − 𝑑
and 𝑦(𝑑) = 𝑑 3 − 3𝑑. Find the speed of the particle at t = 2.
17.
a. When is the object furthest to the right?
b. During 3 < t < 4 what is the object’s acceleration?
c. When is the object’s acceleration undefined?
d. When is the object’s acceleration positive?
e. When is the object’s speed increasing?
18. At time t, a particle moving in the xy-plane is at position (x(t), y(t)), where x(t) and y(t)
𝑑π‘₯
𝑑𝑦
are not explicitly given. For t ≥ 0, = 4𝑑 + 1 and = 𝑠𝑖𝑛(𝑑 2 ). At time t = 0, x(0) = 0 and
𝑑𝑑
𝑑𝑑
y(0) = -4.
a. Find the speed of the particle at time t = 3.
b. Find the acceleration vector of the particle at t = 3.
c. Find the slope of the line tangent to the path of the particle at t = 3.
d. Find the position of the particle at t = 3.
e. Find the total distance traveled by the particle over the time interval [0, 3].
Function Analysis
19. Find the number of local maximum and minimum points of the function whose
derivative, for all x, is given by 𝑓 ′ (π‘₯) = π‘₯(π‘₯ − 3)2 (π‘₯ + 1)4 .
20. For the function 𝑓(π‘₯) = π‘₯ 4 − 4π‘₯ 2 ,
a. Find the number of local maximum and minimum points.
b. Find the number of inflection points.
21. Draw a curve f for which
a. both 𝑓 ′ π‘Žπ‘›π‘‘ 𝑓′′ negative.
b. 𝑓′′ positive but 𝑓′ negative.
22. At which point is
a. f’(x) = 0 and f’’(x) > 0?
b. f’(x) < 0 and f’’(x) = 0?
c. f’(x) = 0 and f’’(x) = 0?
23. Answer the following questions based on the graph
(to the left) of f’(x).
a. Where does f have a point(s) of inflection?
b. Where does f have a local minimum?
c. Where is f concave up?
24. On what interval(s) is/are 𝑓(π‘₯) = π‘₯ 4 − 2π‘₯ 2 + 1 concave up?
25. On what interval(s) is/are 𝑓(π‘₯) = π‘₯ 3 − 2π‘₯ 2 + π‘₯ + 6 decreasing?
Differential Equations
𝑑𝑦
26. Find y if 𝑑π‘₯ = 2
27. Find y if
28. If
𝑑𝑦
𝑑π‘₯
𝑑𝑦
𝑑π‘₯
𝑦
√π‘₯
π‘Žπ‘›π‘‘ 𝑦 = 1 π‘€β„Žπ‘’π‘› π‘₯ = 4.
= 𝑒 𝑦 and y = 0 when x = 1.
2π‘₯
= 4π‘₯+𝑦 π‘Žπ‘›π‘‘ 𝑦(1) = 1, then what is the approximate value of y when x = 2 using
Euler’s method with two steps?
29. The population of Nowhereville from 1920 to 2000 can be modeled by the logistic
100000
equation 𝑃(𝑑) = 1+52.3𝑒 −0.45𝑑 .
a. What was the population when it was growing the fastest?
b. When is the population growing the fastest?
c. Find lim 𝑃(𝑑).
𝑑→∞
30. The growth rate of Somewhereville from 1950 to 2010 is modeled by the DEQ
𝑑𝑃
𝑑𝑑
= .0065𝑃(7500 − 𝑃).
a. What is the carrying capacity for Somewhereville?
b. What is the population when it is growing the fastest?
c. Find lim 𝑃(𝑑).
𝑑→∞
Derivatives
31. 𝑦 = π‘₯ 5 π‘‘π‘Žπ‘›π‘₯
32. 𝑦 = √π‘₯ 2 + 2π‘₯ − 1
33. 𝑦 = 𝑙𝑛(𝑠𝑒𝑐π‘₯ + π‘‘π‘Žπ‘›π‘₯)
34. 𝑦 = sin (π‘₯)
1
2−π‘₯
35. 𝑦 = 3π‘₯+1
36. 𝑦 = 3π‘₯ 2⁄3 − 4π‘₯ 1⁄2 − 2
37. Find
𝑑𝑦
𝑑π‘₯
𝑖𝑓 π‘₯ = 𝑒 𝑑 π‘π‘œπ‘ π‘‘ π‘Žπ‘›π‘‘ 𝑦 = 𝑒 𝑑 𝑠𝑖𝑛𝑑.
38. Find
𝑑𝑦
𝑑π‘₯
𝑖𝑓 π‘₯ = 3𝑑 + 1 π‘Žπ‘›π‘‘ 𝑦 = 4𝑑 − 5.
39. Find
𝑑2 𝑦
𝑑π‘₯ 2
𝑖𝑓 π‘₯ = 𝑑 2 − 1 π‘Žπ‘›π‘‘ 𝑦 = 2𝑑 4 − 𝑑 3 .
π‘‘π‘Ÿ
40. Find π‘‘πœƒ 𝑖𝑓 π‘Ÿ = π‘ π‘’π‘πœƒπ‘‘π‘Žπ‘›2πœƒ
41. What is the slope of the curve r = 3 – 2sinat (3, π)?
42. What is the arc length of the graph of y = cosx from [0, π]?
Limits & Continuity
43. If {
𝑓(π‘₯) =
π‘₯ 2 −π‘₯
2π‘₯
𝑓(0) = π‘˜
for x ≠ 0, and if 𝑓 is continuous at x = 0, then k =
3π‘₯(π‘₯−1)
𝑓(π‘₯) = π‘₯ 2 −3π‘₯+2 π‘“π‘œπ‘Ÿ π‘₯ ≠ 1, 2
44. Suppose {
, then f(x) is continuous
𝑓(1) = −3
𝑓(2) = 4
45. Find
a. f(1)
b. lim− 𝑓(π‘₯)
π‘₯→1
c. lim+ 𝑓(π‘₯)
π‘₯→1
46. Find
a. lim 𝑓(π‘₯)
π‘₯→−∞
b. lim 𝑓(π‘₯)
π‘₯→3
c. lim 𝑓(π‘₯)
π‘₯→2
d. lim 𝑓(π‘₯)
π‘₯→−1
Sequences & Series
47. For each series, determine whether it converges or diverges. Give the test used.
1+3𝑛2 +𝑛3
2 𝑛
4
a. ∑∞
𝑛=1 4𝑛3 −5𝑛+2
b. ∑∞
𝑛=1 (7)
c. ∑∞
𝑛=1 𝑛3
d. ∑∞
𝑛=1 5𝑛
e. ∑∞
𝑛=1
f. ∑∞
𝑛=1 (5𝑛−1)
𝑛2
cos π‘›πœ‹
√𝑛
2𝑛
𝑛
48. Write a fourth degree Taylor series expansion about x = 0 for 𝑓(π‘₯) = √π‘₯ + 1.
49. Write the third degree McLaurin series for 𝑓(π‘₯) = 𝑒 −π‘₯/2 .
3 𝑛
50. ∑∞
𝑛=1 (5) =
51. Find the radius of convergence for
a. ∑∞
𝑛=1
(𝑛−1)!
2𝑛
𝑛 𝑛
b. ∑∞
𝑛=0 2 π‘₯
52. Find the interval of convergence for the following series. Remember to check the
endpoints.
a. ∑∞
𝑛=1
(𝑛−1)!
2𝑛
𝑛 𝑛
b. ∑∞
𝑛=0 2 π‘₯
Download