Divide.
A. -2 + 2i
B. 2 + 2i
C. i
D. Undefined
Answer: C
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Expand.(
+ 1)6 + (
- 1)6
A. 370
B. 370
C. 208
D. 416
Evaluate the integral using the given substitution.
dt, u = 5 - sin 
A. 
3 + C
B. - 
3 + C
C. 5
3 + C
D. 
3sin 
+ C
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 3200(2)x, where x is time in days. Find the number of bacteria when 
and 
A. 3200; 25,600 B. 6400; 51,200 C. 3200; 51,200 D. 3200; 12,800
Sketch the graph and show all local extrema and inflection points.f(x) = 
A. Local minimum: (1, -3)
Local maximum: (-1, 3)
Inflection point: (0, 0)
B. Maximum: (0, 6)
No inflection point
C. Local minimum: (-1, - 
)
Local maximum: (1, 
)
Inflection point: (0, 0)
D. Local minimum: (-1, -3)
Local maximum: (1, 3)
Inflection points: (0, 0), (-1
, - 
),
(1
, 
)