Find the vertices and graph the hyperbola.
- 
= 1
A. (0, -5), (0, 5)
B. (-5, 0), (5, 0)
C. (0, -
), (0, 
)
D. (0, -7), (0, 7)
Answer: D
Mathematics
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Determine the limit by sketching an appropriate graph. 
A. -7 B. 6 C. Does not exist D. -0
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Write a slope-intercept equation for a line with the given characteristics.m = - 
, passes through (-8, 3)
A. y = - 
x + 
B. y = - 
x - 
C. y = - 
x + 3
D. y = 
x + 
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Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation x = -10p + 280, 0 ? p ? 28.What quantity x maximizes revenue? What is the maximum revenue?
A. 280; $1960 B. 70; $1470 C. 140; $1960 D. 210; $1470
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Find the exact value of the trigonometric expression without the use of a calculator.sin 200° cos 80° - cos 200° sin 80°
A. 
B. - 
C. - 
D. 
Mathematics