Provide the proper response.It can be shown that a hyperbola with center at the origin, foci at F'(-c, 0) and F(c, 0), and equation   has equation  -  = 1. Use this result to find an equation of a hyperbola with center at the origin, foci at (-4, 0) and (4, 0), and absolute value of the distances from any point of the hyperbola to the two foci equal to 4.

A.  -  = 1
B.  -  = 1
C. x2 - y2 = 4
D.  -  = 1


Answer: A

Mathematics

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Sketch D and g(D) from the description of D and change of variables x = u2 - v2, y = 2uv where D is the rectangle 0 ? u ? 1, 0 ? v ? 1 

A.

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B.
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C.
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D.
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