Write a matrix to display the information.A company makes 3 types of cable. Cable A requires 3 black wires, 3 white wires, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red. Cable C requires 2 black, 1 white, and 2 red. Make a 3 × 3 matrix showing the wire requirements. Assign the cable types to the rows and the wire types to the columns.
A. 
B. 
C. 
D. 
Answer: B
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Give the amplitude or period as requested.Amplitude of y = -3 sin x
A. 2?
B. 
C. -3?
D. 3
Solve the problem. Assume that relative maximum and minimum values are absolute maximum and minimum values.A closed rectangular box with a volume of 16 cubic feet is made from two kinds of materials. The top and bottom are made of a material costing $0.10 per square foot, and the sides are made of a material costing $0.05 per square foot. Find the dimensions of the box so that the cost of materials is minimal.
A. 2 ft by 4 ft by 4 ft
B. 
ft by 
ft by 8 ft
C. 2 ft by 2 ft by 4 ft
D. 1 ft by 1 ft by 16 ft
Graph the system of linear inequalities.6y - x ? 8,-y + 3x ? 6,x ? 0
A. 
B. 
C. 
D. 
The demand equation for a certain brand of fax machine is 4x + p - 1,550 = 0, where x is the quantity demanded per week and p is the unit price in dollars.
The supply equation is 3x - 4p + 2,400 = 0, where x is the quantity the supplier will make available in the market when the unit price is p dollars. Find the equilibrium quantity and the equilibrium price for the fax machines. a. equilibrium quantity 200 units; equilibrium price $750 b. equilibrium quantity 200 units; equilibrium price $850 c. equilibrium quantity 90 units; equilibrium price $850 d. equilibrium quantity 90 units; equilibrium price $750