Perform the matrix operation.Given A =
and B = 
, find 4A + B.
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 38 feet and the height of the arch over the center of the roadway is 9 feet. Two trucks plan to use this road. They are both 12 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Both Truck 1 and Truck 2 can pass under the bridge. B. Truck 2 can pass under the bridge, but Truck 1 cannot. C. Truck 1 can pass under the bridge, but Truck 2 cannot. D. Neither Truck 1 nor Truck 2 can pass under the bridge.
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3x - 1; relative to f(x) = 3x
A. Moved up 1 unit(s)
B. Moved down 1 unit(s)
C. Moved down 1 unit(s)
D. Moved up 1 unit(s)
Solve the absolute value equation.
= 
A. x = 9, 
B. x = 
C. x = 
, 27
D. x = 
, 27
Graph the function.
A. 
B. 
C. 
D. 