Solve the problem.If the cost, C(x), for manufacturing x units of a certain product is given by 
, find the number of units manufactured at a cost of $3900.
A. 40 units
B. 60 units
C. 50 units
D. 30 units
Answer: C
Mathematics
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Choose the equation that matches the graph.
A. x2 = -8y B. y2 = 8x C. 8x2 = y D. x2 = 8y
Mathematics
Multiply.× 
A. 29.71 B. 29.6 C. 30.7 D. 74.4
Mathematics
Perform the indicated operation. Simplify, if possible.
- 
+ 
A. 
B. 
C. 
D. 
Mathematics
Factor out the greatest common factor.-20x3 - 40x2 + 30x
A. -10(2x3 + 4x2 - 3x) B. -10x(2x2 + 4x - 3) C. -20x(x2 + 2x - 3) D. -10x(2x2 - 4x + 3)
Mathematics