Find v ? u.v = 
and u = 
A. 0
B. 
i - 
j
C. 
i
D. 
Answer: D
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
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Use the properties of real numbers to simplify the expression.
(-0.23) 
A. -1
B. 
C. 1
D. -0.23
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Use synthetic division to find the function value. f(x) = x2 + 3x - 3; find f(4 - 2i)
A. 21 - 22i B. -1 C. 21 - 14i D. 24 - 14i
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Solve the equation.-42 = -7 - 7x
A. 5 B. -28 C. 13 D. -24
Mathematics