Provide an appropriate answer.Find 
when u = 5 and v = 1 if z(x) = 
and x = u ? v.
A. 
= 
B. 
= 
C. 
= 0
D. 
= 
Answer: D
Mathematics
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Find the dot product v ? w.v = -i + j,
w = -i - j
A. 1 B. 2 C. -1 D. 0
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Suppose A = 
. Find A2.
A. A2 =
B. A2 =
C. A2 = 
D. A2 = 
Mathematics
Simplify the fraction.
A. 
B. 
C. 
D. 
Mathematics