Evaluate the rational function.r(x) = 
, r(3)
A. Undefined
B. 
C. 5
D. - 5
Answer: A
Mathematics
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A horse trots in a perfect circle around its trainer at the end of a 20-foot-long rope. How far does the horse travel as it circles the trainer once?
A. 400 ft B. 63 ft C. 1,657 ft D. 126 ft E. 1,257 ft
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Find sum of the pair of complex numbers.2 + 6i, -4
A. 4 B. 2 + 10i C. -2 + 6i D. 2 + 2i
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Find the specified domain and express it in interval notation.For f(x) = x2 - 9 and g(x) = 2x + 3, what is the domain of 
(x)?
A. (-3, 3)
B. 
C. All real numbers except - 
D. All real numbers
Mathematics
Perform the indicated operation, whenever possible.
- 
A. 
B. 
C. [-2]
D. 
Mathematics