Find the vector z, given u = 
and v =
.
z = 5u + 2v
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Predict the number of tick marks on the positive x - axis and the positive y-axis.[-18, 18, 3] by [-27, 27, 3]
A. 9; 6 B. 18; 27 C. 6; 9 D. 27; 18
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Find any modes that exist.8.4, 8.9, 6.5, 8.9, 6.3
A. 8.4 B. 6.5 C. 8.9 D. 7.8
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Find the phase shift of the function.y = 4 cos (3?x + 2)
A. 
units to the left
B. 2 units to the left
C. 
units to the right
D. 2 units to the right
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Find the center, vertices and foci of the hyperbola.
?
?
A. Center: (0, 0)
Vertices: 
Foci: 
B. Center:
?Vertices: 
Foci: 
C. Center: (0, 0)
Vertices: 
Foci: 
D. Center: (0, 0)
Vertices: 
Foci: 
E. Center:
Vertices: 
Foci: 
Mathematics