For the given angle, name the quadrant in which the terminal side lies.
A. III
B. II
C. I
D. IV
Answer: B
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Explain the mistake.(-5)4 = -(5)(5)(5)(5) = -625
A. There is no mistake. The expression is correct as written. B. A negative number raised to a power is not a real number. C. The negative sign has been factored out incorrectly. The correct answer is (-5)4 = (-5)(-5)(-5)(-5) = 625 D. Apparently, the term -5 was raised to the wrong power. The correct answer is (-5)4 = -(5)(5)(5)(5) = -125
Graph the curve.r = 4 cos 5? (rose)
A. 
B. 
C. 
D. 
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. y-axis B. x-axis, origin C. x-axis D. Origin
Solve the problem.A certain army is engaged in guerrilla warfare. It has two ways of getting supplies to its troops: it can send a convoy up the river road or it can send a convoy overland through the jungle. On a given day, the guerrillas can watch only one of the two roads. If the convoy goes along the river and the guerrillas are there, the convoy will have to turn back and 4 army soldiers will be lost. If the convoy goes overland and encounters the guerrillas, 
of the supplies will get through, but 6 army soldiers will be lost. Each day a supply convoy travels one of the roads, and if the guerrillas are watching the other road, the convoy gets through with no losses. What is the
optimal strategy for the army if it wants to minimize its casualties?
A. 
river, 
land
B. 1 river, 0 land
C. 
river, 
land
D. 
river, 
land