Solve the problem.The hyperbola 
- 
= 1 is shifted up 8 units and left 5 units. Find an equation for the new hyperbola and find the new vertices.
A. 
- 
= 1; vertices: (-5 ± 
, 8)
B. 
- 
= 1; vertices: (-5 , 8 ± 
)
C. 
- 
= 1; vertices: (-5 , 8 ± 
)
D. 
- 
= 1; vertices: (-5 ± 
, 8)
Answer: A
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A. - 2 + 
B. 2 + 
C. - 2 - 
D. 2 - 
Sketch the level curves of the function corresponding to the given values of z.
?
; 
?
A. ?
B. ?
C. ?
D. ?
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?
Round to the nearest foot, if necessary.
?
?
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B. 51 ft
C. 56 ft
D. 53 ft
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