Fill in the blank with one of the words or phrases listed below. 
A letter used to represent a number is called a(n) 
.
A. solution
B. constant
C. variable
D. numerical coefficient
Answer: C
Mathematics
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Find the derivative.
A. - csc2 ? csc2 (cot ?) B. csc2 ? cot ? C. csc2 (cot ?) D. - csc3 ? cot ?
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Rationalize the denominator.
A. 
B. 
C. 
D. 
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Determine the standard equation of the hyperbola with the given characteristics and sketch the graph.The center is at (0, 0), a focus is at (
, 0), and a vertex is at (2, 0).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Determine a viewing window that will provide a complete graph of the function.y = 3x3 - 26x2 + 18x - 47
A. [-8, 10] by [-100, 300] B. [-5, 5] by [-500, 100] C. [-10, 10] by [-150, 150] D. [-3, 10] by [-400, 100]
Mathematics