Find the unit vector having the same direction as v.v = -7j
A. u = -j
B. u = - 
j
C. u = -7j
D. u = 49j
Answer: A
Mathematics
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Solve.(y - 3) - (y + 5) = 7y
A. - 
B. - 
C. - 
D. - 8
Mathematics
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 7
+ 16
A. 23
B. 8
C. 22
D. 8
Mathematics
Find functions f and g so that f ? g = H.H(x) = ?5x + 5?
A.
| f(x) = -?x?; | g(x) = 5x + 5 |
B.
| f(x) = ?x?; | g(x) = 5x + 5 |
C.
| f(x) = ?-x?; | g(x) = 5x - 5 |
D.
| f(x) = x; | g(x) = 5x + 5 |
Mathematics
Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find A + B.
A. 
B. 
C.
[-2 -1 3]
D. 
Mathematics