Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 3
B. x = -3
C. x = 0
D. none
Answer: B
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Solve the problem.Find the centroid of the region in the first quadrant bounded by the curve y = 11 cos x and the axes.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Solve the problem.If 5 apples in a barrel of 25 apples are rotten, what is the expected number of rotten apples in a sample of 2 apples?
A. 0.33 B. 0.4 C. 0.63 D. 1
Find the exact value of the product.cos 
cos 
A. 
- 
B. 
+ 
C. 
- 
D. 
+ 
Solve the problem.A satellite following the hyperbolic path shown in the picture turns rapidly at (0, 6) and then moves closer and closer to the line y = 4x as it gets farther from the tracking station at the origin. Find the equation that describes the path of the satellite if the center of the hyperbola is at (0, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1