Let u be the vector with initial point P(7,-3) and terminal point Q(1,4). Express u in terms of I and j.
a. u = -6i + 6j
b. u = -6i + 7j
c. u = -3i - 2j
d. u = -6i + j
e. none
b. u = -6i + 7j
Mathematics
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A. 
B. 
C. 
D. 
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Graph the linear inequality.x + y < -6
A. 
B. 
C. 
D. 
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