Factor.(4x + 1)3 - 64
A. (4x - 3)(16x2 - 8x + 21)
B. (4x + 5)(16x2 - 8x + 13)
C. (4x - 3)(16x2 - 8x + 13)
D. (4x - 3)(16x2 + 24x + 21)
Answer: D
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Use the method of undetermined coefficients to solve the differential equation.
+ 8 
+ 12y = -6 - ex; 
= 
and y = - 
when x = 0
A. y = 
e-2x - 
e-6x + 
- 
ex
B. y = 
e-2x + 
e-6x - 
- 
ex
C. y = 
e-2x - 
e-6x - 
+ 
ex
D. y = 
e-2x - 
e-6x - 
- 
ex
Find the surface area of the surface S.S is the cap cut from the sphere x2 + y2 + z2 = 9 by the cone z = 3
.
A. 18
?
B. 9
?
C. 9
?
D. 9
Give the probability distribution and sketch the histogram.At a supermarket during the 6 p.m. rush, the manager counted the number of customers waiting in each of the 12 checkout lines. The results are shown in the table.
A. 
| Probability: | .16 | 0 | .25 | .33 | .10 | .16 |
B.
| Probability: | .17 | .08 | .33 | .25 | 0 | .17 |
C.
| Probability: | .17 | 0 | .25 | .33 | .08 | .17 |
D.
| Probability: | .16 | .10 | .33 | .25 | 0 | .16 |
Solve the system.
A. (2, 4) B. inconsistent (no solution) C. dependent (many solutions) D. (2, 3)