Solve the problem.The graph gives the profit P(x) as a function of production level. Use graphical optimization to estimate the production level that gives the maximum profit per item produced.
A. 4 units
B. 5 units
C. 3 units
D. 6 units
Answer: B
Mathematics
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Represent the quantity by an integer.387 feet below sea level
A. -387 B. 387
Mathematics
Solve the problem.A nuclear cooling tower cross section is a hyperbola having a diameter of 56 ft at the center. The distance between the two foci is 100 ft. What is the equation for the hyperbola?
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Solve the inequality.x3 - 7x2 - 18x > 0
A. (-9, 0) or (2, ?) B. (-2, 0) or (9, ?) C. (-?,-2) or (0, 9) D. (-2, ?)
Mathematics
Determine the zeros (if any) of the rational function 
.
A. 
B. x = -4
C. 
D. x = -5, x = 5
E. no zeros
Mathematics