Solve the problem.A fence is to be constructed to enclose a rectangular area of 20,000 m2. A previously constructed wall is to be used for one side. Sketch the length of fence to be built as a function of the side of the fence parallel to the wall.
A. 
B. 
C. 
D. 
Answer: D
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Determine the symmetries of the curve.r = 3 sin ? - 3 cos ?
A. x-axis only B. y-axis only C. No symmetry D. x-axis, y-axis, origin
Round the money amount to the specified place.$0.05552 to the nearest cent
A. $0.05 B. $0.00 C. $0.06 D. $1.00
Add, subtract, or multiply, as indicated. Express your answer as a single polynomial in standard form.3x2(x3 - x + 9)
A. 3x5 + 3x3 + 27x2 B. 3x6 - 3x3 + 27x2 C. 3x5 - 3x3 + 27x2 D. 3x5 - 3x3 + 27
A manufacturer of lighting fixtures has daily production costs of 
where C is the total cost (in dollars) and x is the number of units produced. How many fixtures should be produced each day to yield a minimum cost?
(Round your answer to two decimal places.)
?
A. 160 B. 106.67 C. 320 D. 400 E. 800?