Use the graph to determine an equation of the hyperbola.

A. 9y2 - 36x2 = 1
B. 3y2 - 6x2 = 1
C.  -  = 1
D.  -  = 1

Answer: D

Mathematics

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Simplify the rational expression. (Assume the denominator is nonzero.)

A.
B.
C. - 
D. -2(x + 5)

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Mathematics

Solve the equation. Write the answer in a + bi form.z3 + 8i = 0

A. -2i, -  - i, -  + i
B. -2i,  + i, -  + i
C. 2i, -  - i,  - i
D. 2i, -  + i,  + i

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Mathematics

Perform the operation indicated. Simplify. - 

A.
B.
C.
D.

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Mathematics

For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 8x - 8; g(x) = 5x - 5;Find f - g.

A. (f - g)(x) = 3x - 13; (-?, ) ? (, ?)
B. (f - g)(x) = 13x - 13; (-?, 1) ? (1, ?)
C. (f - g)(x) = -3x + 3; (-?, ?)
D. (f - g)(x) = 3x - 3; (-?, ?)

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Mathematics