Choose the graph which matches the function.f(x) = e3 - x
A. 
B. 
C. 
D. 
Answer: D
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State whether the graph is or is not that of a function.
A. Yes B. No
Graph the system of inequalities.8x + y ? 88x + y ? 0 
A. 
B. 
C. 
D. No solution
Factor the expression.(x - 3)-3/2 - (x - 3)-1/2 + (x - 3)1/2
A. (x - 3)-3/2(x2 - 7x - 10) B. (x - 3)-3/2(x2 - 7x + 13) C. (x - 3)3/2(x2 + 6x - 13) D. (x - 3)-3/2(x2 + 7x - 13)
A product may be made using machine I or machine II. The manufacturer estimates that the monthly fixed costs of using machine I are $18,000, whereas the monthly fixed costs of using machine II are $15,000. The variable costs of manufacturing 1 unit of the product using machine I and machine II are $10 and $20, respectively. The products sell for $50 each. What is the maximum profit if the projected sales are 650 units?
a. $8,150 b. $8,000 c. $8,100 d. $8,200 e. $8,050