Subtract the following complex numbers:
a. (9 + j2) - (-7 - j6)
b. (6 - j6) - (8 - j2)
c. (9 + j3) - (2 + j6)
d. (j14) - (7 + j7)
a. 16 + j8
b. -2 - j4
c. 7 - j3
d. -7 + j7
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x = -6, z = 7
A. All points in the x-z plane B. The point (-6, 7) C. The line through the point (-6, 7, 0) and parallel to the z-axis D. The line through the point (-6, 0, 7) and parallel to the y-axis
Find the vector projv u.v = 3i - j + 3k, u = 2i + 10j + 11k
A. 
i - 
j + 
k
B. 
i + 
j + 
k
C. 
i - 
j + 
k
D. 
i + 
j + 
k
Provide an appropriate response.The graph of an equation of the form y = ax2 + bx + c, with a ? 0, is a 
.
A. straight line B. circle C. parabola D. line segment
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |x - 2|
A. 
B. 
C. 
D. 