Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x - 5y)(x - 9y)
A. x2 - 14xy - 14y2
B. x2 - 14xy + 45y2
C. x - 14xy + 45y
D. x2 - 17xy + 45y2
Answer: B
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Solve the problem.Find the volume of the solid bounded by the hyperboloid of one sheet 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 116.48? units3 B. 1397.76? units3 C. 101.12? units3 D. 75.52? units3
Evaluate the integral.
sin t dt
A. 
B. 
C. 8
D. 
For the functions f(x) and g(x), determine the domain of (f - g)(x) (the difference of f and g).f(x) = 
, g(x) = 
A. {x ? x is a real number and x ? 3 and x ? -5} B. {x ? x is a real number} C. {x ? x is a real number and x ? 3} D. {x ? x is a real number and x ? -3 and x ? 5}
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what do 600 units cost?
A. $18,000.00 B. $580.65 C. $150.00 D. $599.97