Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 7, ? = 225°
A. v = - 
i - 
j
B. v = 
i + 
j
C. v = - 
i - 
j
D. v = - 
i - 
j
Answer: A
Mathematics
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B. 
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logb j - 4logb k
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B. logb (2m - 
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C. logb 
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?
?
A. ?
B. ?
C. ?
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