Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P < 0 (a loss is taken).
A. t > 0
B. t = 12 units or t = 17 units
C. t < 12 units or t > 17 units
D. 12 units < t < 17 units
Answer: D
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Solve the problem.Find the vertices and asymptotes of the following hyperbola:
- 
= 1
A. Vertices: (0, 4), (0, -4); Asymptotes: y = ± 4x
B. Vertices: (4, 0), (-4, 0); Asymptotes: y = ± 
x
C. Vertices: (0, 16), (0, -16); Asymptotes: y = ± 
x
D. Vertices: (0, 4), (0, -4); Asymptotes: y = ± 
x
Find the intercepts for the equation.x + y = -4
A. (-2, 0) (-2, 0) B. (-4, 0) (0, -4) C. (0, -2) (0, -2) D. (-4, -2) (-2, -4)
Solve the problem.Two tracking stations are on the equator 122 miles apart. A weather balloon is located on a bearing of N 32°E from the western station and a bearing of N 12°E from the eastern station. How far, to the nearest mile, is the balloon from the western station? Round to the nearest mile.
A. 349 mi B. 248 mi C. 358 mi D. 239 mi
Use the quadratic formula to solve the quadratic equation.6n2 = -12n - 5
A. 
B. 
C. 
D. 