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

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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