Find 
.e2x = sin (x + 3y)
A. 
-1
B. ln sin (x + 3y)
C. 
D. 
Answer: D
Mathematics
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Find the vector projv u.v = 2i - 2j - 4k, u = 12i - 5k
A. 
i - 
k
B. 
i - 
j - 
k
C. 
i - 
k
D. 
i - 
j - 
k
Mathematics
A lighthouse on an island is located at the origin of a coordinate system. East points to the positive x-axis, and north points to the the positive y-axis. Find the bearing of a ship located at the given point. Round the angle measure to the nearest degree where necessary.(5, -5)
A. N 45° E B. S 45° W C. N 45° W D. S 45° E
Mathematics
Factor the expression.
?
?
A. 
B. 
C. 
D. 
E. not factorable
Mathematics
Solve.
= 4
A. {-4} B. {4, -4} C. {4} D. {16}
Mathematics