Use the vectors u, v, and w in the accompanying figure to graph the vector. 
2u - z - w
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Multiply.(-x)(x - 7y)(x - 9y)
A. -x2 + 16xy - 63y2 B. -x3 - 16xy + 63y2 C. -x3 + 16x2y - 63xy2 D. -x3 - 16x2y + 63xy2
Mathematics
Solve the inequality.Fantastic Flags, Inc., finds that the cost to make x flags is 
while the revenue produced from them is 
(C and R are in dollars). What is the smallest whole number of flags, x, that must be sold for the company to show a profit?
A. 646,280 B. 937,106 C. 279 D. 404
Mathematics
A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.x2 + y2 = 522y + 3x = 0
A. Two
B. Two
C. Four
D. Two
Mathematics
Rewrite with rational exponents.
A. x-7/2 B. x-2/7 C. x7/2 D. -x2/7
Mathematics