Find 3A + 4B.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Write in exponential form.
A. (x4y2)2 B. (x4y2)1/2 C. x4y1/2 D. x1/4y1/2
Mathematics
List the quadrant(s) in which the given point is located. (-5.4, -2.4)
A. I B. II C. III D. IV
Mathematics
Use a graphing calculator to determine which expression completes the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. cos x + 1 B. tan x - sec x C. cot x + sin2x D. sin x + cos x
Mathematics
Solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 1, y = 2, z = 5 B. x = -1, y = 5, z = 2 C. x = 1, y = 5, z = 2 D. Inconsistent
Mathematics