Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation x = -10p + 200, 0 ? p ? 20.What quantity x maximizes revenue? What is the maximum revenue?
A. 100; $1000
B. 150; $750
C. 200; $1000
D. 50; $750
Answer: A
Mathematics
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Find the limit.
(1 + x6)1/x
A. ? B. 1 C. 6 D. 0
Mathematics
Find the vertices, foci, and asymptotes for the hyperbola. Graph the hyperbola.
- 
= 1
A. Vertices at (-2, 0) and (2, 0);
Foci at (- 2
, 0) and (2
, 0);
Asymptotes: y = - 
x and y = 
x
B. Vertices at (0, -10) and (0, 10);
Foci at (0, - 2
) and (0, 2
);
Asymptotes: y = - 
x and y = 
x
C. Vertices at (-10, 0) and (10, 0);
Foci at (- 2
, 0) and (2
, 0);
Asymptotes: y = - 
x and y = 
x
D. Vertices at (0, -2) and (0, 2);
Foci at (0, - 2
) and (0, 2
);
Asymptotes: y = - 
x and y = 
x
Mathematics
Divide.
A. 1068 R 21 B. 1048 C. 1063 R 13 D. 1058
Mathematics
Add or subtract.|11| - |-20|
A. 31 B. -9 C. 9 D. -31
Mathematics