Multiply or divide as indicated. Write the answer in lowest terms. ÷ 

A. 1
B.
C. 2
D.

Answer: D

Mathematics

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Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k 

A. ? = cosh2 t
B. ? = sinh2 t
C. ? = 
D. ? = 

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Mathematics

Use the LCD to simplify and solve.3x -  = 

A.
B.
C. - 
D.

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Mathematics

Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.

A. r = ; (h, k) = (-4, 2); (x + 4)2 + (y - 2)2 = 5
B. r = 5; (h, k) = (-4, 2); (x + 4)2 + (y - 2)2 = 25
C. r = 5; (h, k) = (-4, 2); (x - 4)2 + (y + 2)2 = 25
D. r = ; (h, k) = (-4, 2); (x - 4)2 + (y + 2)2 = 5

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Mathematics

The graph of a logarithmic function is shown. Select the function which matches the graph.

A. y = log5x B. y = log5x - 1 C. y = log5(x + 1) D. y = log5(x - 1)

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Mathematics