Determine and describe the extreme values of f(x,y) = -x2 - xy - 3y2
A. (0.5,-1) and a maximum
B. (0,0) and a maximum
C. (0,0) and a minimum
D. (0,1) and a saddle point
正解:B
質問 2:
Using simple iteration, based on trial and improvement, the cubic equation below can be solved:
2x3 + 5x2 +7x - 12 = 0
Solve for x to 6 decimal places.
A. 0.909502
B. 1.000000
C. 0.909165
D. 0.909000
正解:C
質問 3:
Three light bulbs are chosen at random from 15 bulbs of which 5 are known to be defective.
Calculate the probability that exactly one of the three is defective. A)

B)

C)

D)

A. Option C
B. Option A
C. Option D
D. Option B
正解:A
質問 4:
A and B are the stationary points of f(x).
f(x) = 2x3 - x2 - 8x + 8
A = (-1,13)
B = (4/3,8/27)
Determine whether each stationary point is a maximum, minimum or point of inflexion.
A. A is a minimumB is a maximum
B. A is a maximumB is a minimum
C. A is a point of inflexionB is a minimum
D. A is a maximumB is a point of inflexion
正解:B
質問 5:
An individual purchases a share in a company at a price of GBP45. Six months later he sells the share for GBP39.
Calculate the percentage change in the value of the share over the six month period, correct to one decimal place.
A. -13.3%
B. 86.7%
C. 13.3%
D. -15.4%
正解:A
質問 6:
The particular solution of the second-order difference equation yn+2 - 6yn+1 + 8yn = 0 n 2
subject to the initial conditions y0 = 3 and y1 = 2 may be written in the form yn = A(2n) + B(4n) n 0.
Determine the values of (A, B).
A. (-2, 5)
B. (-3, 2)
C. (-2, 3)
D. (5, -2)
正解:D
質問 7:
Calculate which of the following is a simplification of (1 + x)2 - x2 + ln(e3x).
A. 1 + 2x + x3
B. 1 + 5x
C. 1 + 2x
D. 1 + 3x
正解:B
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金子** -
IFoA_CAA_M0試験問題集の的中率は高いで、とても有効的な資料です。今度、IFoA_CAA_M0試験に合格しました。ありがとう!