Solve the inequality. Graph the results.12x + 7 > 11x + 4
A. x ? 11 
B. x < -3 
C. x > -3 
D. x ? 11 
Answer: C
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Solve the problem.A nuclear cooling tower cross section is a hyperbola with a diameter of 64 ft at the center. The distance between the two foci is 90 ft. What is an equation for the hyperbola?
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Find the domain and range for the indicated function.f(x) = 5,
g(x) = 5 + 
;
g/f
A. D: x ? 0 R: y ? 1 B. D: x ? -5 R: y ? 0 C. D: x ? 0 R: y ? 1 D. D: x ? 0 R: y ? 5
Solve the problem.A company that produces computer printers has costs given by the function 
, where x is the number of computer printers manufactured and C(x) is measured in dollars. The average cost to manufacture each computer printer is given by
Find
(Round to the nearest dollar, if necessary.)
A. $635 B. $73 C. $75 D. $615
For the pair of functions, find the indicated domain.f(x) = 2x - 5, g(x) = 
Find the domain of g ? f.
A. [7, ?) B. [-?,-1) C. [-1, ?) D. (-7, 7)