Solve.
+ 
= 4
A. -2
B. 0
C. 2, -2
D. 
, -2
Answer: A
Mathematics
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Match the vector equation with the correct graph.
r(t) = 2 cos ti + sin tk; 0 ? t ? ?
A. Figure 7 B. Figure 2 C. Figure 4 D. Figure 6
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Use the vectors u, v, and w in the accompanying figure to graph the vector. 
z - v
A. 
B. 
C. 
D. 
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Indicate whether the graph represents a one-to-one function.
A. Yes B. No
Mathematics
Write the word phrase as an algebraic expression. Use x to represent the unknown number.41 less than a number
A. 
B. x - 41
C. x + 41
D. 41 - x
Mathematics