Find the one-sided limit.
(2 cos x)
A. 0
B. 2
C. -2
D. does not exist
Answer: B
Mathematics
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A. Opposites B. Not opposites
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Find the perimeter of (distance around) the given figure by adding the lengths of the sides.
A. 15.4 m B. 10 m C. 20 m D. 14.6 m
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Find the closest point to y in the subspace W spanned by u1 and u2.y = 
, u1 = 
, u2 = 
A. 
B. 
C. 
D. 
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Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 5x - 4
A. 
; x = 
B. (7, -4) ; x = 7
C. (-5, 46) ; x = -5
D. 
; x = - 
Mathematics