Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what do 400 units cost?
A. $1090.91
B. $12,000.00
C. $1199.90
D. $120.00
Answer: A
Mathematics
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Solve the rational inequality.
< 1
A. (-?, -7) B. (-?, -7) ? (5, ?) C. (-7, ?) D. (-7, 5)
Mathematics
Solve the problem.The formula a = 
gives an object's average acceleration a when its velocity changes from v1 at time t1 to v2 at time t2. Solve for t2.
A. t2 = 
B. t2 = 
C. t2 = 
D. t2 = 
Mathematics
Solve the equation.
= 0
A. {-5, -2} B. {2, 5} C. {-2, 5} D. {-5, 2}
Mathematics
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + x2 + 9x - 10 B. f(x) = x4 - x3 + 3x2 - 5x - 10 C. f(x) = x4 - 3x3 - 3x2 + 7x + 6 D. f(x) = x4 - 3x3 + 5x2 - x - 10
Mathematics